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Lassen Volcanic National Park
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Lassen Volcanic National Park
Lassen Volcanic National Park is home to steaming fumaroles, meadows freckled with wildflowers, clear mountain lakes, and numerous volcanoes. Jagged peaks tell the story of its eruptive past while hot water continues to shape the land.
Activities: Astronomy · Auto and ATV · Backcountry Camping · Backcountry Hiking · Biking · Birdwatching · Boating · Bookstore and Park Store · Camping · Canoeing · Car or Front Country Camping · Compass and GPS · Cross-Country Skiing · Dining · Fishing · Fly Fishing · Food · Freshwater Fishing · Freshwater Swimming · Front-Country Hiking · Geocaching · Gift Shop and Souvenirs · Group Camping · Guided Tours · Hiking · Horse Camping (see also Horse/Stock Use) · Horse Trekking · Horseback Riding · Junior Ranger Program · Kayaking · Living History · Museum Exhibits · Paddling · Park Film · Picnicking · RV Camping · Road Biking · Scenic Driving · Self-Guided Tours - Auto · Shopping · Skiing · Snow Play · Snowshoeing · Stand Up Paddleboarding · Stargazing · Swimming · Wildlife Watching
Monthly recreation visits · 2025
- January7,527
- February6,438
- March6,531
- April11,151
- May36,333
- June84,606
- July113,062
- August107,872
- September71,746
- October44,904
- November6,798
- December7,809
Annual recreation visits · 1979–2025
- 1979380,014
- 1980394,425
- 1981415,045
- 1982414,859
- 1983429,867
- 1984463,275
- 1985451,497
- 1986439,723
- 1987472,431
- 1988495,628
- 1989466,115
- 1990460,917
- 1991463,179
- 1992468,011
- 1993434,264
- 1994385,489
- 1995351,001
- 1996351,632
- 1997391,816
- 1998318,049
- 1999353,756
- 2000374,911
- 2001376,695
- 2002388,149
- 2003404,384
- 2004379,667
- 2005365,535
- 2006388,741
- 2007395,057
- 2008377,361
- 2009365,639
- 2010384,570
- 2011351,269
- 2012407,653
- 2013427,409
- 2014432,977
- 2015468,092
- 2016536,068
- 2017507,256
- 2018499,435
- 2019517,039
- 2020542,274
- 2021359,635
- 2022446,291
- 2023418,978
- 2024357,651
- 2025504,777
Published entrance fees
- Entrance - Private Vehicle
- $30 · Admits one private, non-commercial vehicle. Valid for up to 7 consecutive days from day of purchase at Lassen Volcanic National Park. When entrance station is not staffed, digital passes may be purchased online at recreation.gov.
- Entrance - Private Vehicle
- $10 · Discounted entry fee during winter. Admits one private, non-commercial vehicle. Valid for up to 7 consecutive days from day of purchase at Lassen Volcanic National Park. When entrance station is not staffed, digital passes may be purchased online at recreation.gov.
- Entrance - Motorcycle
- $25 · Valid for 7 days. Admits up to 2 private, non-commercial motorcycles with up to 4 total passengers. When entrance station is not staffed, digital passes may be purchased online at recreation.gov.
- Entrance - Per Person
- $15 · Per-person entrance fee used to admit one person on foot or bicycle. Also used for individuals traveling together in a vehicle as a non-commercial, organized group. Valid for up to 7 consecutive days from day of purchase at Lassen Volcanic National Park. When entrance station is not staffed, digital passes may be purchased online at recreation.gov.
- Entrance - Education/Academic Groups
- $0 · Park entrance fees are waived for eligible academic groups with approved fee waiver application. Applications must be submitted at least two weeks prior to park visit.
- Commercial Entrance - Sedan
- $25 · Valid for up to 7 consecutive days for a vehicle carrying the same group of passengers. A commercial tour is defined as consisting of one or more persons traveling on an itinerary that has been packaged, priced, or sold for leisure or recreational purposes by an organization that realizes financial gain through the provision of the service. The entry fees are based upon the total seating capacity of vehicles regardless of the actual number of passengers. Annual or lifetime passes are not accepted.
- Commercial Entrance - Van
- $50 · Valid for up to 7 consecutive days for a vehicle carrying the same group of passengers. A commercial tour is defined as consisting of one or more persons traveling on an itinerary that has been packaged, priced, or sold for leisure or recreational purposes by an organization that realizes financial gain through the provision of the service. The entry fees are based upon the total seating capacity of vehicles regardless of the actual number of passengers. Annual or lifetime passes are not accepted.
- Commercial Entrance - Mini-bus
- $60 · Valid for up to 7 consecutive days for a vehicle carrying the same group of passengers. A commercial tour is defined as consisting of one or more persons traveling on an itinerary that has been packaged, priced, or sold for leisure or recreational purposes by an organization that realizes financial gain through the provision of the service. The entry fees are based upon the total seating capacity of vehicles regardless of the actual number of passengers. Annual or lifetime passes are not accepted.
- Commercial Entrance - Motor Coach
- $150 · Valid for up to 7 consecutive days for a vehicle carrying the same group of passengers. A commercial tour is defined as consisting of one or more persons traveling on an itinerary that has been packaged, priced, or sold for leisure or recreational purposes by an organization that realizes financial gain through the provision of the service. The entry fees are based upon the total seating capacity of vehicles regardless of the actual number of passengers. Annual or lifetime passes are not accepted.
- Entrance - Motorcycle
- $10 · Discounted entry fee for winter. Admits one private, non-commercial motorcycle and its riders. Valid for up to 7 consecutive days from day of purchase at Lassen Volcanic National Park. When entrance station is not staffed, digital passes may be purchased online at recreation.gov.
- Entrance - Per Person
- $10 · Discounted entry fee for winter. Per-person entrance fee used to admit one person on foot or bicycle. Also used for individuals traveling together in a vehicle as a non-commercial, organized group. Valid for up to 7 consecutive days from day of purchase at Lassen Volcanic National Park. When entrance station is not staffed, digital passes may be purchased online at recreation.gov.
Published passes
- Annual Entrance - Park
- $55 · This multi-park annual pass is valid for one year from month of purchase at four NPS units: Lassen Volcanic and Crater Lake national parks, Whiskeytown National Recreation Area, and Lava Beds National Monument. This pass admits one vehicle and all occupants or one motorcycle and riders or the pass holder and 3 others on bicycle and foot.
Published operating hours
Entire park, all entrances · The park is always open. Road access is limited during the winter season, approximately November through May, due to snow.
Fees, facilities and activities are the 2026-10-03 NPS snapshot. Historical visitation describes recorded visits, not crowding forecasts or present conditions.
Plan your visit
Weather at Lassen can vary dramatically throughout the year. Average January temperatures are a high of 40.4 °F (4.7 °C) and a low of 20.8 °F (-6.2 °C). Average July temperatures are a high of 88.4 °F and a low of 49.8 °F. Temperatures reach 90 °F or higher on an average of 36.9 days, and drop to 32 ° or lower on an average of 164 days days annually.
Official directions ↗Campgrounds (10)
- Backcountry Camping in Lassen's Wilderness
- Butte Lake Campground
- Juniper Lake Campground
- Lost Creek Group Campground
- Manzanita Lake Campground
- Southwest Campground - Summer/Fall
- Southwest Campground - Winter/Spring
- Summit Lake North Campground
- Summit Lake South Campground
- Warner Valley Campground
Official NPS information and current conditions ↗
| Place / record | Recreation visits | Context | Explore |
|---|---|---|---|
| Lassen Volcanic National Park | 542,274 | 2020 annual recreation visits | Source record |
| Lassen Volcanic National Park | 536,068 | 2016 annual recreation visits | Source record |
| Lassen Volcanic National Park | 517,039 | 2019 annual recreation visits | Source record |
| Lassen Volcanic National Park | 507,256 | 2017 annual recreation visits | Source record |
| Lassen Volcanic National Park | 504,777 | 2025 annual recreation visits | Source record |
| Lassen Volcanic National Park | 499,435 | 2018 annual recreation visits | Source record |
| Lassen Volcanic National Park | 495,628 | 1988 annual recreation visits | Source record |
| Lassen Volcanic National Park | 472,431 | 1987 annual recreation visits | Source record |
| Lassen Volcanic National Park | 468,092 | 2015 annual recreation visits | Source record |
| Lassen Volcanic National Park | 468,011 | 1992 annual recreation visits | Source record |
| Lassen Volcanic National Park | 466,115 | 1989 annual recreation visits | Source record |
| Lassen Volcanic National Park | 463,275 | 1984 annual recreation visits | Source record |
| Lassen Volcanic National Park | 463,179 | 1991 annual recreation visits | Source record |
| Lassen Volcanic National Park | 460,917 | 1990 annual recreation visits | Source record |
| Lassen Volcanic National Park | 451,497 | 1985 annual recreation visits | Source record |
| Lassen Volcanic National Park | 446,291 | 2022 annual recreation visits | Source record |
| Lassen Volcanic National Park | 439,723 | 1986 annual recreation visits | Source record |
| Lassen Volcanic National Park | 434,264 | 1993 annual recreation visits | Source record |
| Lassen Volcanic National Park | 432,977 | 2014 annual recreation visits | Source record |
| Lassen Volcanic National Park | 429,867 | 1983 annual recreation visits | Source record |
| Lassen Volcanic National Park | 427,409 | 2013 annual recreation visits | Source record |
| Lassen Volcanic National Park | 418,978 | 2023 annual recreation visits | Source record |
| Lassen Volcanic National Park | 415,045 | 1981 annual recreation visits | Source record |
| Lassen Volcanic National Park | 414,859 | 1982 annual recreation visits | Source record |
| Lassen Volcanic National Park | 407,653 | 2012 annual recreation visits | Source record |
| Lassen Volcanic National Park | 404,384 | 2003 annual recreation visits | Source record |
| Lassen Volcanic National Park | 395,057 | 2007 annual recreation visits | Source record |
| Lassen Volcanic National Park | 394,425 | 1980 annual recreation visits | Source record |
| Lassen Volcanic National Park | 391,816 | 1997 annual recreation visits | Source record |
| Lassen Volcanic National Park | 388,741 | 2006 annual recreation visits | Source record |
| Lassen Volcanic National Park | 388,149 | 2002 annual recreation visits | Source record |
| Lassen Volcanic National Park | 385,489 | 1994 annual recreation visits | Source record |
| Lassen Volcanic National Park | 384,570 | 2010 annual recreation visits | Source record |
| Lassen Volcanic National Park | 380,014 | 1979 annual recreation visits | Source record |
| Lassen Volcanic National Park | 379,667 | 2004 annual recreation visits | Source record |
| Lassen Volcanic National Park | 377,361 | 2008 annual recreation visits | Source record |
| Lassen Volcanic National Park | 376,695 | 2001 annual recreation visits | Source record |
| Lassen Volcanic National Park | 374,911 | 2000 annual recreation visits | Source record |
| Lassen Volcanic National Park | 365,639 | 2009 annual recreation visits | Source record |
| Lassen Volcanic National Park | 365,535 | 2005 annual recreation visits | Source record |
| Lassen Volcanic National Park | 359,635 | 2021 annual recreation visits | Source record |
| Lassen Volcanic National Park | 357,651 | 2024 annual recreation visits | Source record |
| Lassen Volcanic National Park | 353,756 | 1999 annual recreation visits | Source record |
| Lassen Volcanic National Park | 351,632 | 1996 annual recreation visits | Source record |
| Lassen Volcanic National Park | 351,269 | 2011 annual recreation visits | Source record |
| Lassen Volcanic National Park | 351,001 | 1995 annual recreation visits | Source record |
| Lassen Volcanic National Park | 318,049 | 1998 annual recreation visits | Source record |
| Lassen Volcanic National Park | 135,668 | July 2020 recreation visits | Source record |
| Lassen Volcanic National Park | 122,834 | July 2017 recreation visits | Source record |
| Lassen Volcanic National Park | 120,958 | July 2016 recreation visits | Source record |
| Lassen Volcanic National Park | 120,113 | July 2021 recreation visits | Source record |
| Lassen Volcanic National Park | 120,112 | August 2020 recreation visits | Source record |
| Lassen Volcanic National Park | 114,368 | July 2018 recreation visits | Source record |
| Lassen Volcanic National Park | 113,062 | July 2025 recreation visits | Source record |
| Lassen Volcanic National Park | 111,514 | August 2017 recreation visits | Source record |
| Lassen Volcanic National Park | 110,739 | August 1991 recreation visits | Source record |
| Lassen Volcanic National Park | 110,025 | July 2022 recreation visits | Source record |
| Lassen Volcanic National Park | 107,872 | August 2025 recreation visits | Source record |
| Lassen Volcanic National Park | 106,868 | July 2015 recreation visits | Source record |
| Lassen Volcanic National Park | 106,166 | August 2015 recreation visits | Source record |
| Lassen Volcanic National Park | 106,135 | August 1988 recreation visits | Source record |
| Lassen Volcanic National Park | 105,549 | June 2021 recreation visits | Source record |
| Lassen Volcanic National Park | 105,535 | July 2019 recreation visits | Source record |
| Lassen Volcanic National Park | 105,114 | August 2016 recreation visits | Source record |
| Lassen Volcanic National Park | 104,876 | August 2013 recreation visits | Source record |
| Lassen Volcanic National Park | 104,750 | August 1997 recreation visits | Source record |
| Lassen Volcanic National Park | 103,383 | July 2023 recreation visits | Source record |
| Lassen Volcanic National Park | 102,986 | July 2013 recreation visits | Source record |
| Lassen Volcanic National Park | 102,701 | August 1987 recreation visits | Source record |
| Lassen Volcanic National Park | 101,633 | July 1990 recreation visits | Source record |
| Lassen Volcanic National Park | 101,554 | August 1993 recreation visits | Source record |
| Lassen Volcanic National Park | 100,712 | July 1988 recreation visits | Source record |
| Lassen Volcanic National Park | 99,345 | August 1984 recreation visits | Source record |
| Lassen Volcanic National Park | 99,230 | August 1986 recreation visits | Source record |
| Lassen Volcanic National Park | 99,187 | August 1995 recreation visits | Source record |
| Lassen Volcanic National Park | 98,926 | July 2014 recreation visits | Source record |
| Lassen Volcanic National Park | 98,460 | July 1991 recreation visits | Source record |
| Lassen Volcanic National Park | 98,109 | August 2019 recreation visits | Source record |
| Lassen Volcanic National Park | 98,098 | July 2012 recreation visits | Source record |
| Lassen Volcanic National Park | 97,916 | August 1989 recreation visits | Source record |
| Lassen Volcanic National Park | 97,613 | July 1997 recreation visits | Source record |
| Lassen Volcanic National Park | 97,312 | August 1996 recreation visits | Source record |
| Lassen Volcanic National Park | 95,757 | July 2006 recreation visits | Source record |
| Lassen Volcanic National Park | 95,167 | July 1986 recreation visits | Source record |
| Lassen Volcanic National Park | 94,788 | August 2022 recreation visits | Source record |
| Lassen Volcanic National Park | 94,632 | July 1993 recreation visits | Source record |
| Lassen Volcanic National Park | 94,453 | July 2003 recreation visits | Source record |
| Lassen Volcanic National Park | 94,132 | July 1989 recreation visits | Source record |
| Lassen Volcanic National Park | 93,276 | August 1994 recreation visits | Source record |
| Lassen Volcanic National Park | 93,162 | August 2014 recreation visits | Source record |
| Lassen Volcanic National Park | 92,588 | August 2007 recreation visits | Source record |
| Lassen Volcanic National Park | 92,058 | July 2024 recreation visits | Source record |
| Lassen Volcanic National Park | 92,052 | August 1992 recreation visits | Source record |
| Lassen Volcanic National Park | 91,650 | August 2003 recreation visits | Source record |
| Lassen Volcanic National Park | 91,554 | July 2002 recreation visits | Source record |
| Lassen Volcanic National Park | 91,548 | July 2007 recreation visits | Source record |
| Lassen Volcanic National Park | 91,506 | August 1982 recreation visits | Source record |
| Lassen Volcanic National Park | 91,422 | August 2018 recreation visits | Source record |
| Lassen Volcanic National Park | 91,297 | July 2000 recreation visits | Source record |
| Lassen Volcanic National Park | 91,293 | August 2012 recreation visits | Source record |
| Lassen Volcanic National Park | 91,128 | July 1982 recreation visits | Source record |
| Lassen Volcanic National Park | 90,888 | August 1983 recreation visits | Source record |
| Lassen Volcanic National Park | 90,707 | August 1990 recreation visits | Source record |
| Lassen Volcanic National Park | 90,517 | July 2010 recreation visits | Source record |
| Lassen Volcanic National Park | 90,440 | July 2005 recreation visits | Source record |
| Lassen Volcanic National Park | 90,437 | July 1992 recreation visits | Source record |
| Lassen Volcanic National Park | 90,408 | July 1984 recreation visits | Source record |
| Lassen Volcanic National Park | 89,822 | August 1985 recreation visits | Source record |
| Lassen Volcanic National Park | 89,715 | August 1981 recreation visits | Source record |
| Lassen Volcanic National Park | 89,569 | July 1987 recreation visits | Source record |
| Lassen Volcanic National Park | 88,936 | July 2004 recreation visits | Source record |
| Lassen Volcanic National Park | 88,750 | July 1996 recreation visits | Source record |
| Lassen Volcanic National Park | 88,631 | September 2016 recreation visits | Source record |
| Lassen Volcanic National Park | 88,592 | September 2017 recreation visits | Source record |
| Lassen Volcanic National Park | 88,487 | August 1980 recreation visits | Source record |
| Lassen Volcanic National Park | 88,428 | October 2019 recreation visits | Source record |
| Lassen Volcanic National Park | 86,796 | July 1985 recreation visits | Source record |
| Lassen Volcanic National Park | 85,597 | August 2008 recreation visits | Source record |
| Lassen Volcanic National Park | 85,514 | August 1979 recreation visits | Source record |
| Lassen Volcanic National Park | 85,089 | August 2006 recreation visits | Source record |
| Lassen Volcanic National Park | 84,863 | July 2008 recreation visits | Source record |
| Lassen Volcanic National Park | 84,823 | July 2001 recreation visits | Source record |
| Lassen Volcanic National Park | 84,606 | June 2025 recreation visits | Source record |
| Lassen Volcanic National Park | 84,309 | July 1981 recreation visits | Source record |
| Lassen Volcanic National Park | 84,288 | July 1999 recreation visits | Source record |
| Lassen Volcanic National Park | 83,646 | August 2023 recreation visits | Source record |
| Lassen Volcanic National Park | 83,530 | August 1999 recreation visits | Source record |
| Lassen Volcanic National Park | 83,355 | June 2020 recreation visits | Source record |
| Lassen Volcanic National Park | 83,013 | August 2004 recreation visits | Source record |
| Lassen Volcanic National Park | 83,008 | July 2011 recreation visits | Source record |
| Lassen Volcanic National Park | 82,833 | July 2009 recreation visits | Source record |
| Lassen Volcanic National Park | 82,452 | August 2002 recreation visits | Source record |
| Lassen Volcanic National Park | 81,669 | August 2005 recreation visits | Source record |
| Lassen Volcanic National Park | 81,285 | August 2001 recreation visits | Source record |
| Lassen Volcanic National Park | 81,082 | August 2009 recreation visits | Source record |
| Lassen Volcanic National Park | 80,683 | July 1994 recreation visits | Source record |
| Lassen Volcanic National Park | 79,809 | August 1998 recreation visits | Source record |
| Lassen Volcanic National Park | 78,365 | July 1983 recreation visits | Source record |
| Lassen Volcanic National Park | 78,293 | July 1980 recreation visits | Source record |
| Lassen Volcanic National Park | 75,514 | September 2018 recreation visits | Source record |
| Lassen Volcanic National Park | 75,502 | September 2019 recreation visits | Source record |
| Lassen Volcanic National Park | 75,220 | June 2018 recreation visits | Source record |
| Lassen Volcanic National Park | 74,212 | July 1995 recreation visits | Source record |
| Lassen Volcanic National Park | 74,193 | June 2016 recreation visits | Source record |
| Lassen Volcanic National Park | 74,136 | September 1993 recreation visits | Source record |
| Lassen Volcanic National Park | 74,012 | August 2010 recreation visits | Source record |
| Lassen Volcanic National Park | 73,770 | August 2000 recreation visits | Source record |
| Lassen Volcanic National Park | 72,903 | June 2024 recreation visits | Source record |
| Lassen Volcanic National Park | 72,363 | October 2020 recreation visits | Source record |
| Lassen Volcanic National Park | 72,273 | September 2003 recreation visits | Source record |
| Lassen Volcanic National Park | 72,179 | July 1998 recreation visits | Source record |
| Lassen Volcanic National Park | 71,827 | September 1995 recreation visits | Source record |
| Lassen Volcanic National Park | 71,746 | September 2025 recreation visits | Source record |
| Lassen Volcanic National Park | 71,374 | July 1979 recreation visits | Source record |
| Lassen Volcanic National Park | 70,956 | September 2015 recreation visits | Source record |
| Lassen Volcanic National Park | 70,924 | August 2011 recreation visits | Source record |
| Lassen Volcanic National Park | 70,558 | June 2022 recreation visits | Source record |
| Lassen Volcanic National Park | 69,877 | September 2023 recreation visits | Source record |
| Lassen Volcanic National Park | 69,602 | September 2006 recreation visits | Source record |
| Lassen Volcanic National Park | 69,321 | June 1988 recreation visits | Source record |
| Lassen Volcanic National Park | 68,746 | September 1991 recreation visits | Source record |
| Lassen Volcanic National Park | 68,174 | September 2011 recreation visits | Source record |
| Lassen Volcanic National Park | 67,992 | September 2020 recreation visits | Source record |
| Lassen Volcanic National Park | 67,368 | June 2013 recreation visits | Source record |
| Lassen Volcanic National Park | 67,265 | September 1989 recreation visits | Source record |
| Lassen Volcanic National Park | 67,114 | September 1983 recreation visits | Source record |
| Lassen Volcanic National Park | 66,774 | June 2014 recreation visits | Source record |
| Lassen Volcanic National Park | 66,759 | September 1990 recreation visits | Source record |
| Lassen Volcanic National Park | 64,968 | September 2013 recreation visits | Source record |
| Lassen Volcanic National Park | 64,396 | October 2016 recreation visits | Source record |
| Lassen Volcanic National Park | 64,048 | September 1982 recreation visits | Source record |
| Lassen Volcanic National Park | 63,803 | June 2019 recreation visits | Source record |
| Lassen Volcanic National Park | 63,211 | June 2015 recreation visits | Source record |
| Lassen Volcanic National Park | 63,200 | September 2010 recreation visits | Source record |
| Lassen Volcanic National Park | 62,349 | September 2014 recreation visits | Source record |
| Lassen Volcanic National Park | 62,316 | June 1992 recreation visits | Source record |
| Lassen Volcanic National Park | 62,309 | June 1989 recreation visits | Source record |
| Lassen Volcanic National Park | 62,095 | September 1996 recreation visits | Source record |
| Lassen Volcanic National Park | 61,923 | June 1997 recreation visits | Source record |
| Lassen Volcanic National Park | 61,816 | June 1994 recreation visits | Source record |
| Lassen Volcanic National Park | 60,165 | September 1992 recreation visits | Source record |
| Lassen Volcanic National Park | 60,012 | September 2008 recreation visits | Source record |
| Lassen Volcanic National Park | 59,986 | September 2002 recreation visits | Source record |
| Lassen Volcanic National Park | 59,874 | September 2012 recreation visits | Source record |
| Lassen Volcanic National Park | 58,880 | June 2017 recreation visits | Source record |
| Lassen Volcanic National Park | 58,689 | June 1990 recreation visits | Source record |
| Lassen Volcanic National Park | 58,432 | September 1988 recreation visits | Source record |
| Lassen Volcanic National Park | 58,357 | June 1987 recreation visits | Source record |
| Lassen Volcanic National Park | 58,337 | June 2007 recreation visits | Source record |
| Lassen Volcanic National Park | 57,820 | September 1986 recreation visits | Source record |
| Lassen Volcanic National Park | 57,636 | June 2000 recreation visits | Source record |
| Lassen Volcanic National Park | 57,542 | September 2004 recreation visits | Source record |
| Lassen Volcanic National Park | 57,388 | September 1998 recreation visits | Source record |
| Lassen Volcanic National Park | 57,226 | September 2009 recreation visits | Source record |
| Lassen Volcanic National Park | 57,198 | September 1984 recreation visits | Source record |
| Lassen Volcanic National Park | 56,793 | June 2012 recreation visits | Source record |
| Lassen Volcanic National Park | 56,650 | September 1985 recreation visits | Source record |
| Lassen Volcanic National Park | 56,526 | September 2024 recreation visits | Source record |
| Lassen Volcanic National Park | 56,026 | September 1979 recreation visits | Source record |
| Lassen Volcanic National Park | 55,907 | September 1980 recreation visits | Source record |
| Lassen Volcanic National Park | 55,552 | September 2001 recreation visits | Source record |
| Lassen Volcanic National Park | 55,086 | September 2007 recreation visits | Source record |
| Lassen Volcanic National Park | 54,644 | June 2008 recreation visits | Source record |
| Lassen Volcanic National Park | 54,537 | June 2009 recreation visits | Source record |
| Lassen Volcanic National Park | 54,481 | June 2004 recreation visits | Source record |
| Lassen Volcanic National Park | 54,387 | June 2001 recreation visits | Source record |
| Lassen Volcanic National Park | 54,022 | September 1987 recreation visits | Source record |
| Lassen Volcanic National Park | 53,906 | May 2021 recreation visits | Source record |
| Lassen Volcanic National Park | 53,677 | September 2000 recreation visits | Source record |
| Lassen Volcanic National Park | 53,655 | September 2005 recreation visits | Source record |
| Lassen Volcanic National Park | 53,204 | September 2022 recreation visits | Source record |
| Lassen Volcanic National Park | 52,602 | September 1999 recreation visits | Source record |
| Lassen Volcanic National Park | 52,352 | June 2023 recreation visits | Source record |
| Lassen Volcanic National Park | 52,204 | September 1981 recreation visits | Source record |
| Lassen Volcanic National Park | 52,068 | June 1985 recreation visits | Source record |
| Lassen Volcanic National Park | 51,294 | June 2002 recreation visits | Source record |
| Lassen Volcanic National Park | 51,216 | June 1991 recreation visits | Source record |
| Lassen Volcanic National Park | 50,934 | June 2010 recreation visits | Source record |
| Lassen Volcanic National Park | 50,258 | June 1981 recreation visits | Source record |
| Lassen Volcanic National Park | 49,790 | June 2005 recreation visits | Source record |
| Lassen Volcanic National Park | 49,622 | September 1994 recreation visits | Source record |
| Lassen Volcanic National Park | 49,339 | June 2003 recreation visits | Source record |
| Lassen Volcanic National Park | 48,210 | June 1984 recreation visits | Source record |
| Lassen Volcanic National Park | 48,147 | June 1986 recreation visits | Source record |
| Lassen Volcanic National Park | 45,603 | October 2010 recreation visits | Source record |
| Lassen Volcanic National Park | 45,236 | October 2018 recreation visits | Source record |
| Lassen Volcanic National Park | 44,966 | June 1980 recreation visits | Source record |
| Lassen Volcanic National Park | 44,904 | October 2025 recreation visits | Source record |
| Lassen Volcanic National Park | 44,773 | October 2023 recreation visits | Source record |
| Lassen Volcanic National Park | 44,720 | June 1979 recreation visits | Source record |
| Lassen Volcanic National Park | 44,712 | June 2011 recreation visits | Source record |
| Lassen Volcanic National Park | 44,010 | September 1997 recreation visits | Source record |
| Lassen Volcanic National Park | 43,581 | June 1982 recreation visits | Source record |
| Lassen Volcanic National Park | 43,326 | June 2006 recreation visits | Source record |
| Lassen Volcanic National Park | 42,657 | October 2024 recreation visits | Source record |
| Lassen Volcanic National Park | 41,215 | June 1999 recreation visits | Source record |
| Lassen Volcanic National Park | 41,193 | October 2022 recreation visits | Source record |
| Lassen Volcanic National Park | 40,581 | October 2017 recreation visits | Source record |
| Lassen Volcanic National Park | 37,410 | June 1993 recreation visits | Source record |
| Lassen Volcanic National Park | 37,395 | October 2015 recreation visits | Source record |
| Lassen Volcanic National Park | 36,333 | May 2025 recreation visits | Source record |
| Lassen Volcanic National Park | 35,830 | October 1991 recreation visits | Source record |
| Lassen Volcanic National Park | 35,415 | October 2012 recreation visits | Source record |
| Lassen Volcanic National Park | 35,083 | June 1996 recreation visits | Source record |
| Lassen Volcanic National Park | 34,823 | October 1988 recreation visits | Source record |
| Lassen Volcanic National Park | 34,227 | May 2024 recreation visits | Source record |
| Lassen Volcanic National Park | 34,144 | May 2018 recreation visits | Source record |
| Lassen Volcanic National Park | 34,044 | October 2006 recreation visits | Source record |
| Lassen Volcanic National Park | 33,405 | October 2014 recreation visits | Source record |
| Lassen Volcanic National Park | 33,162 | May 1987 recreation visits | Source record |
| Lassen Volcanic National Park | 33,064 | June 1983 recreation visits | Source record |
| Lassen Volcanic National Park | 32,766 | October 1990 recreation visits | Source record |
| Lassen Volcanic National Park | 32,731 | October 1992 recreation visits | Source record |
| Lassen Volcanic National Park | 32,275 | October 2002 recreation visits | Source record |
| Lassen Volcanic National Park | 31,890 | October 2003 recreation visits | Source record |
| Lassen Volcanic National Park | 31,345 | October 1993 recreation visits | Source record |
| Lassen Volcanic National Park | 31,283 | October 1995 recreation visits | Source record |
| Lassen Volcanic National Park | 31,239 | January 1985 recreation visits | Source record |
| Lassen Volcanic National Park | 31,173 | May 2017 recreation visits | Source record |
| Lassen Volcanic National Park | 31,023 | May 2015 recreation visits | Source record |
| Lassen Volcanic National Park | 30,906 | May 1992 recreation visits | Source record |
| Lassen Volcanic National Park | 30,677 | October 1999 recreation visits | Source record |
| Lassen Volcanic National Park | 30,588 | January 1984 recreation visits | Source record |
| Lassen Volcanic National Park | 29,998 | October 2001 recreation visits | Source record |
| Lassen Volcanic National Park | 29,355 | May 2016 recreation visits | Source record |
| Lassen Volcanic National Park | 29,141 | January 1983 recreation visits | Source record |
| Lassen Volcanic National Park | 29,121 | May 2014 recreation visits | Source record |
| Lassen Volcanic National Park | 28,809 | October 1989 recreation visits | Source record |
| Lassen Volcanic National Park | 28,548 | May 2012 recreation visits | Source record |
| Lassen Volcanic National Park | 28,378 | December 1984 recreation visits | Source record |
| Lassen Volcanic National Park | 28,153 | May 2007 recreation visits | Source record |
| Lassen Volcanic National Park | 27,398 | October 1987 recreation visits | Source record |
| Lassen Volcanic National Park | 27,359 | February 1981 recreation visits | Source record |
| Lassen Volcanic National Park | 27,290 | October 2011 recreation visits | Source record |
| Lassen Volcanic National Park | 27,271 | October 1997 recreation visits | Source record |
| Lassen Volcanic National Park | 27,263 | October 2005 recreation visits | Source record |
| Lassen Volcanic National Park | 27,231 | October 2004 recreation visits | Source record |
| Lassen Volcanic National Park | 27,199 | May 1994 recreation visits | Source record |
| Lassen Volcanic National Park | 27,025 | October 2008 recreation visits | Source record |
| Lassen Volcanic National Park | 26,996 | December 1985 recreation visits | Source record |
| Lassen Volcanic National Park | 26,468 | May 2013 recreation visits | Source record |
| Lassen Volcanic National Park | 26,384 | May 1985 recreation visits | Source record |
| Lassen Volcanic National Park | 26,221 | October 2000 recreation visits | Source record |
| Lassen Volcanic National Park | 26,010 | October 1983 recreation visits | Source record |
| Lassen Volcanic National Park | 25,848 | June 1995 recreation visits | Source record |
| Lassen Volcanic National Park | 25,775 | May 2001 recreation visits | Source record |
| Lassen Volcanic National Park | 25,758 | October 2007 recreation visits | Source record |
| Lassen Volcanic National Park | 25,749 | May 1989 recreation visits | Source record |
| Lassen Volcanic National Park | 25,710 | October 1996 recreation visits | Source record |
| Lassen Volcanic National Park | 25,170 | May 2019 recreation visits | Source record |
| Lassen Volcanic National Park | 25,002 | January 1988 recreation visits | Source record |
| Lassen Volcanic National Park | 24,956 | May 1990 recreation visits | Source record |
| Lassen Volcanic National Park | 24,921 | June 1998 recreation visits | Source record |
| Lassen Volcanic National Park | 24,894 | May 1988 recreation visits | Source record |
| Lassen Volcanic National Park | 24,729 | October 1994 recreation visits | Source record |
| Lassen Volcanic National Park | 24,648 | May 2004 recreation visits | Source record |
| Lassen Volcanic National Park | 24,451 | October 1979 recreation visits | Source record |
| Lassen Volcanic National Park | 24,445 | February 1983 recreation visits | Source record |
| Lassen Volcanic National Park | 24,226 | March 1991 recreation visits | Source record |
| Lassen Volcanic National Park | 24,094 | October 2009 recreation visits | Source record |
| Lassen Volcanic National Park | 23,696 | October 1998 recreation visits | Source record |
| Lassen Volcanic National Park | 23,577 | February 1988 recreation visits | Source record |
| Lassen Volcanic National Park | 23,456 | May 2002 recreation visits | Source record |
| Lassen Volcanic National Park | 23,366 | February 1985 recreation visits | Source record |
| Lassen Volcanic National Park | 23,184 | May 2023 recreation visits | Source record |
| Lassen Volcanic National Park | 22,984 | October 1985 recreation visits | Source record |
| Lassen Volcanic National Park | 22,948 | January 1979 recreation visits | Source record |
| Lassen Volcanic National Park | 22,923 | February 1984 recreation visits | Source record |
| Lassen Volcanic National Park | 22,861 | May 2000 recreation visits | Source record |
| Lassen Volcanic National Park | 22,682 | January 1992 recreation visits | Source record |
| Lassen Volcanic National Park | 22,512 | October 1986 recreation visits | Source record |
| Lassen Volcanic National Park | 22,453 | February 1987 recreation visits | Source record |
| Lassen Volcanic National Park | 22,446 | May 2008 recreation visits | Source record |
| Lassen Volcanic National Park | 22,367 | January 1987 recreation visits | Source record |
| Lassen Volcanic National Park | 22,124 | May 1991 recreation visits | Source record |
| Lassen Volcanic National Park | 21,960 | February 1992 recreation visits | Source record |
| Lassen Volcanic National Park | 21,836 | May 2022 recreation visits | Source record |
| Lassen Volcanic National Park | 21,739 | January 1989 recreation visits | Source record |
| Lassen Volcanic National Park | 21,683 | May 2009 recreation visits | Source record |
| Lassen Volcanic National Park | 21,550 | October 1980 recreation visits | Source record |
| Lassen Volcanic National Park | 21,531 | January 1986 recreation visits | Source record |
| Lassen Volcanic National Park | 21,528 | March 1986 recreation visits | Source record |
| Lassen Volcanic National Park | 21,482 | October 1982 recreation visits | Source record |
| Lassen Volcanic National Park | 21,294 | May 2005 recreation visits | Source record |
| Lassen Volcanic National Park | 21,216 | April 2018 recreation visits | Source record |
| Lassen Volcanic National Park | 20,881 | January 1980 recreation visits | Source record |
| Lassen Volcanic National Park | 20,694 | October 1984 recreation visits | Source record |
| Lassen Volcanic National Park | 20,611 | February 1989 recreation visits | Source record |
| Lassen Volcanic National Park | 20,568 | May 2006 recreation visits | Source record |
| Lassen Volcanic National Park | 20,517 | February 1979 recreation visits | Source record |
| Lassen Volcanic National Park | 20,347 | December 1982 recreation visits | Source record |
| Lassen Volcanic National Park | 20,150 | January 1982 recreation visits | Source record |
| Lassen Volcanic National Park | 20,097 | October 1981 recreation visits | Source record |
| Lassen Volcanic National Park | 20,024 | May 2011 recreation visits | Source record |
| Lassen Volcanic National Park | 19,656 | May 2003 recreation visits | Source record |
| Lassen Volcanic National Park | 19,632 | May 1986 recreation visits | Source record |
| Lassen Volcanic National Park | 19,210 | February 1990 recreation visits | Source record |
| Lassen Volcanic National Park | 19,152 | February 1986 recreation visits | Source record |
| Lassen Volcanic National Park | 19,129 | December 1983 recreation visits | Source record |
| Lassen Volcanic National Park | 19,093 | January 1981 recreation visits | Source record |
| Lassen Volcanic National Park | 18,873 | April 2021 recreation visits | Source record |
| Lassen Volcanic National Park | 18,737 | March 1980 recreation visits | Source record |
| Lassen Volcanic National Park | 18,595 | May 1997 recreation visits | Source record |
| Lassen Volcanic National Park | 18,566 | March 1984 recreation visits | Source record |
| Lassen Volcanic National Park | 18,225 | February 1993 recreation visits | Source record |
| Lassen Volcanic National Park | 18,154 | May 2010 recreation visits | Source record |
| Lassen Volcanic National Park | 18,059 | March 1987 recreation visits | Source record |
| Lassen Volcanic National Park | 17,568 | May 1999 recreation visits | Source record |
| Lassen Volcanic National Park | 17,318 | February 1982 recreation visits | Source record |
| Lassen Volcanic National Park | 17,307 | November 1983 recreation visits | Source record |
| Lassen Volcanic National Park | 17,267 | January 1993 recreation visits | Source record |
| Lassen Volcanic National Park | 17,131 | March 1983 recreation visits | Source record |
| Lassen Volcanic National Park | 17,094 | April 1987 recreation visits | Source record |
| Lassen Volcanic National Park | 16,947 | November 2020 recreation visits | Source record |
| Lassen Volcanic National Park | 16,816 | April 1983 recreation visits | Source record |
| Lassen Volcanic National Park | 16,801 | May 1981 recreation visits | Source record |
| Lassen Volcanic National Park | 16,641 | August 2024 recreation visits | Source record |
| Lassen Volcanic National Park | 16,557 | May 1984 recreation visits | Source record |
| Lassen Volcanic National Park | 16,446 | November 1988 recreation visits | Source record |
| Lassen Volcanic National Park | 16,414 | January 1990 recreation visits | Source record |
| Lassen Volcanic National Park | 16,295 | February 1980 recreation visits | Source record |
| Lassen Volcanic National Park | 16,207 | March 1985 recreation visits | Source record |
| Lassen Volcanic National Park | 16,102 | December 1980 recreation visits | Source record |
| Lassen Volcanic National Park | 16,028 | March 1989 recreation visits | Source record |
| Lassen Volcanic National Park | 15,812 | March 1981 recreation visits | Source record |
| Lassen Volcanic National Park | 15,543 | May 1993 recreation visits | Source record |
| Lassen Volcanic National Park | 15,530 | March 1992 recreation visits | Source record |
| Lassen Volcanic National Park | 15,420 | November 1984 recreation visits | Source record |
| Lassen Volcanic National Park | 15,394 | March 1993 recreation visits | Source record |
| Lassen Volcanic National Park | 15,164 | March 1990 recreation visits | Source record |
| Lassen Volcanic National Park | 15,078 | December 1992 recreation visits | Source record |
| Lassen Volcanic National Park | 14,988 | April 1984 recreation visits | Source record |
| Lassen Volcanic National Park | 14,856 | October 2021 recreation visits | Source record |
| Lassen Volcanic National Park | 14,653 | December 1981 recreation visits | Source record |
| Lassen Volcanic National Park | 14,601 | March 1979 recreation visits | Source record |
| Lassen Volcanic National Park | 14,501 | April 1981 recreation visits | Source record |
| Lassen Volcanic National Park | 14,316 | December 1987 recreation visits | Source record |
| Lassen Volcanic National Park | 14,298 | January 2013 recreation visits | Source record |
| Lassen Volcanic National Park | 14,145 | May 1995 recreation visits | Source record |
| Lassen Volcanic National Park | 13,846 | November 1982 recreation visits | Source record |
| Lassen Volcanic National Park | 13,647 | March 1988 recreation visits | Source record |
| Lassen Volcanic National Park | 13,539 | April 2022 recreation visits | Source record |
| Lassen Volcanic National Park | 13,371 | December 2020 recreation visits | Source record |
| Lassen Volcanic National Park | 13,316 | April 1992 recreation visits | Source record |
| Lassen Volcanic National Park | 12,933 | November 1987 recreation visits | Source record |
| Lassen Volcanic National Park | 12,918 | April 1989 recreation visits | Source record |
| Lassen Volcanic National Park | 12,879 | November 2019 recreation visits | Source record |
| Lassen Volcanic National Park | 12,644 | April 1990 recreation visits | Source record |
| Lassen Volcanic National Park | 12,580 | December 1988 recreation visits | Source record |
| Lassen Volcanic National Park | 12,535 | March 1982 recreation visits | Source record |
| Lassen Volcanic National Park | 12,477 | April 2019 recreation visits | Source record |
| Lassen Volcanic National Park | 12,437 | May 1996 recreation visits | Source record |
| Lassen Volcanic National Park | 12,385 | December 1991 recreation visits | Source record |
| Lassen Volcanic National Park | 12,294 | April 2016 recreation visits | Source record |
| Lassen Volcanic National Park | 12,253 | May 1980 recreation visits | Source record |
| Lassen Volcanic National Park | 12,198 | November 1990 recreation visits | Source record |
| Lassen Volcanic National Park | 12,012 | April 1998 recreation visits | Source record |
| Lassen Volcanic National Park | 11,985 | December 2019 recreation visits | Source record |
| Lassen Volcanic National Park | 11,838 | December 1986 recreation visits | Source record |
| Lassen Volcanic National Park | 11,793 | November 2024 recreation visits | Source record |
| Lassen Volcanic National Park | 11,749 | April 1985 recreation visits | Source record |
| Lassen Volcanic National Park | 11,655 | February 2020 recreation visits | Source record |
| Lassen Volcanic National Park | 11,637 | April 1986 recreation visits | Source record |
| Lassen Volcanic National Park | 11,533 | April 1991 recreation visits | Source record |
| Lassen Volcanic National Park | 11,529 | November 1986 recreation visits | Source record |
| Lassen Volcanic National Park | 11,484 | November 2021 recreation visits | Source record |
| Lassen Volcanic National Park | 11,302 | May 1979 recreation visits | Source record |
| Lassen Volcanic National Park | 11,246 | November 2013 recreation visits | Source record |
| Lassen Volcanic National Park | 11,151 | April 2025 recreation visits | Source record |
| Lassen Volcanic National Park | 11,088 | May 1982 recreation visits | Source record |
| Lassen Volcanic National Park | 10,980 | April 2015 recreation visits | Source record |
| Lassen Volcanic National Park | 10,874 | April 1980 recreation visits | Source record |
| Lassen Volcanic National Park | 10,838 | November 1992 recreation visits | Source record |
| Lassen Volcanic National Park | 10,770 | January 2020 recreation visits | Source record |
| Lassen Volcanic National Park | 10,755 | April 1993 recreation visits | Source record |
| Lassen Volcanic National Park | 10,746 | April 1979 recreation visits | Source record |
| Lassen Volcanic National Park | 10,657 | January 1994 recreation visits | Source record |
| Lassen Volcanic National Park | 10,649 | November 1993 recreation visits | Source record |
| Lassen Volcanic National Park | 10,618 | March 1998 recreation visits | Source record |
| Lassen Volcanic National Park | 10,518 | April 2017 recreation visits | Source record |
| Lassen Volcanic National Park | 10,515 | November 1997 recreation visits | Source record |
| Lassen Volcanic National Park | 10,457 | May 1983 recreation visits | Source record |
| Lassen Volcanic National Park | 10,455 | January 2021 recreation visits | Source record |
| Lassen Volcanic National Park | 10,427 | November 1991 recreation visits | Source record |
| Lassen Volcanic National Park | 10,392 | November 2014 recreation visits | Source record |
| Lassen Volcanic National Park | 10,383 | May 1998 recreation visits | Source record |
| Lassen Volcanic National Park | 10,335 | November 2017 recreation visits | Source record |
| Lassen Volcanic National Park | 10,322 | November 2002 recreation visits | Source record |
| Lassen Volcanic National Park | 10,320 | December 2014 recreation visits | Source record |
| Lassen Volcanic National Park | 10,292 | November 1999 recreation visits | Source record |
| Lassen Volcanic National Park | 10,263 | January 2018 recreation visits | Source record |
| Lassen Volcanic National Park | 10,243 | November 1981 recreation visits | Source record |
| Lassen Volcanic National Park | 10,166 | November 2001 recreation visits | Source record |
| Lassen Volcanic National Park | 10,125 | April 1994 recreation visits | Source record |
| Lassen Volcanic National Park | 10,080 | November 1980 recreation visits | Source record |
| Lassen Volcanic National Park | 10,059 | April 1988 recreation visits | Source record |
| Lassen Volcanic National Park | 9,920 | April 2000 recreation visits | Source record |
| Lassen Volcanic National Park | 9,906 | April 2013 recreation visits | Source record |
| Lassen Volcanic National Park | 9,894 | January 2022 recreation visits | Source record |
| Lassen Volcanic National Park | 9,867 | April 2012 recreation visits | Source record |
| Lassen Volcanic National Park | 9,777 | November 1989 recreation visits | Source record |
| Lassen Volcanic National Park | 9,777 | December 1990 recreation visits | Source record |
| Lassen Volcanic National Park | 9,627 | January 2016 recreation visits | Source record |
| Lassen Volcanic National Park | 9,555 | November 2007 recreation visits | Source record |
| Lassen Volcanic National Park | 9,552 | April 2004 recreation visits | Source record |
| Lassen Volcanic National Park | 9,495 | November 2023 recreation visits | Source record |
| Lassen Volcanic National Park | 9,480 | November 2018 recreation visits | Source record |
| Lassen Volcanic National Park | 9,393 | December 2017 recreation visits | Source record |
| Lassen Volcanic National Park | 9,231 | January 2017 recreation visits | Source record |
| Lassen Volcanic National Park | 9,186 | January 1991 recreation visits | Source record |
| Lassen Volcanic National Park | 9,160 | November 1979 recreation visits | Source record |
| Lassen Volcanic National Park | 9,087 | November 2009 recreation visits | Source record |
| Lassen Volcanic National Park | 9,084 | January 2015 recreation visits | Source record |
| Lassen Volcanic National Park | 9,063 | November 2022 recreation visits | Source record |
| Lassen Volcanic National Park | 9,063 | December 2023 recreation visits | Source record |
| Lassen Volcanic National Park | 8,967 | March 2016 recreation visits | Source record |
| Lassen Volcanic National Park | 8,862 | December 1989 recreation visits | Source record |
| Lassen Volcanic National Park | 8,847 | March 2021 recreation visits | Source record |
| Lassen Volcanic National Park | 8,829 | November 2015 recreation visits | Source record |
| Lassen Volcanic National Park | 8,826 | April 2007 recreation visits | Source record |
| Lassen Volcanic National Park | 8,803 | February 1995 recreation visits | Source record |
| Lassen Volcanic National Park | 8,743 | November 2000 recreation visits | Source record |
| Lassen Volcanic National Park | 8,730 | February 2016 recreation visits | Source record |
| Lassen Volcanic National Park | 8,679 | December 1997 recreation visits | Source record |
| Lassen Volcanic National Park | 8,655 | December 1979 recreation visits | Source record |
| Lassen Volcanic National Park | 8,646 | January 2019 recreation visits | Source record |
| Lassen Volcanic National Park | 8,616 | February 2021 recreation visits | Source record |
| Lassen Volcanic National Park | 8,610 | November 2008 recreation visits | Source record |
| Lassen Volcanic National Park | 8,532 | December 1999 recreation visits | Source record |
| Lassen Volcanic National Park | 8,520 | April 2002 recreation visits | Source record |
| Lassen Volcanic National Park | 8,511 | December 2009 recreation visits | Source record |
| Lassen Volcanic National Park | 8,472 | March 2014 recreation visits | Source record |
| Lassen Volcanic National Park | 8,445 | December 2000 recreation visits | Source record |
| Lassen Volcanic National Park | 8,434 | April 2014 recreation visits | Source record |
| Lassen Volcanic National Park | 8,403 | April 2003 recreation visits | Source record |
| Lassen Volcanic National Park | 8,373 | November 2016 recreation visits | Source record |
| Lassen Volcanic National Park | 8,370 | March 2000 recreation visits | Source record |
| Lassen Volcanic National Park | 8,364 | January 2010 recreation visits | Source record |
| Lassen Volcanic National Park | 8,307 | February 1991 recreation visits | Source record |
| Lassen Volcanic National Park | 8,262 | March 2015 recreation visits | Source record |
| Lassen Volcanic National Park | 8,184 | February 2022 recreation visits | Source record |
| Lassen Volcanic National Park | 8,106 | December 2015 recreation visits | Source record |
| Lassen Volcanic National Park | 8,046 | January 2003 recreation visits | Source record |
| Lassen Volcanic National Park | 7,984 | January 1999 recreation visits | Source record |
| Lassen Volcanic National Park | 7,955 | November 2005 recreation visits | Source record |
| Lassen Volcanic National Park | 7,944 | March 2019 recreation visits | Source record |
| Lassen Volcanic National Park | 7,941 | January 2002 recreation visits | Source record |
| Lassen Volcanic National Park | 7,908 | November 2010 recreation visits | Source record |
| Lassen Volcanic National Park | 7,881 | November 2004 recreation visits | Source record |
| Lassen Volcanic National Park | 7,857 | November 2006 recreation visits | Source record |
| Lassen Volcanic National Park | 7,839 | February 2000 recreation visits | Source record |
| Lassen Volcanic National Park | 7,830 | April 1982 recreation visits | Source record |
| Lassen Volcanic National Park | 7,809 | December 2025 recreation visits | Source record |
| Lassen Volcanic National Park | 7,785 | March 2001 recreation visits | Source record |
| Lassen Volcanic National Park | 7,773 | March 2018 recreation visits | Source record |
| Lassen Volcanic National Park | 7,770 | December 2001 recreation visits | Source record |
| Lassen Volcanic National Park | 7,764 | March 2022 recreation visits | Source record |
| Lassen Volcanic National Park | 7,748 | November 2003 recreation visits | Source record |
| Lassen Volcanic National Park | 7,722 | April 2008 recreation visits | Source record |
| Lassen Volcanic National Park | 7,620 | April 2005 recreation visits | Source record |
| Lassen Volcanic National Park | 7,612 | March 2004 recreation visits | Source record |
| Lassen Volcanic National Park | 7,611 | February 2013 recreation visits | Source record |
| Lassen Volcanic National Park | 7,605 | December 2018 recreation visits | Source record |
| Lassen Volcanic National Park | 7,575 | December 2008 recreation visits | Source record |
| Lassen Volcanic National Park | 7,527 | January 2025 recreation visits | Source record |
| Lassen Volcanic National Park | 7,518 | January 2011 recreation visits | Source record |
| Lassen Volcanic National Park | 7,506 | March 2002 recreation visits | Source record |
| Lassen Volcanic National Park | 7,457 | February 1994 recreation visits | Source record |
| Lassen Volcanic National Park | 7,428 | April 2010 recreation visits | Source record |
| Lassen Volcanic National Park | 7,354 | December 1993 recreation visits | Source record |
| Lassen Volcanic National Park | 7,318 | January 2004 recreation visits | Source record |
| Lassen Volcanic National Park | 7,294 | March 2003 recreation visits | Source record |
| Lassen Volcanic National Park | 7,242 | December 1998 recreation visits | Source record |
| Lassen Volcanic National Park | 7,236 | November 1985 recreation visits | Source record |
| Lassen Volcanic National Park | 7,212 | February 2015 recreation visits | Source record |
| Lassen Volcanic National Park | 7,207 | January 2005 recreation visits | Source record |
| Lassen Volcanic National Park | 7,203 | February 2017 recreation visits | Source record |
| Lassen Volcanic National Park | 7,194 | February 2018 recreation visits | Source record |
| Lassen Volcanic National Park | 7,186 | April 2006 recreation visits | Source record |
| Lassen Volcanic National Park | 7,149 | February 2009 recreation visits | Source record |
| Lassen Volcanic National Park | 7,146 | March 2005 recreation visits | Source record |
| Lassen Volcanic National Park | 7,146 | March 2010 recreation visits | Source record |
| Lassen Volcanic National Park | 7,119 | March 2011 recreation visits | Source record |
| Lassen Volcanic National Park | 7,116 | January 2024 recreation visits | Source record |
| Lassen Volcanic National Park | 7,086 | October 2013 recreation visits | Source record |
| Lassen Volcanic National Park | 7,073 | November 1995 recreation visits | Source record |
| Lassen Volcanic National Park | 7,068 | February 2003 recreation visits | Source record |
| Lassen Volcanic National Park | 7,026 | March 2007 recreation visits | Source record |
| Lassen Volcanic National Park | 7,002 | March 2017 recreation visits | Source record |
| Lassen Volcanic National Park | 6,996 | March 2008 recreation visits | Source record |
| Lassen Volcanic National Park | 6,978 | April 2024 recreation visits | Source record |
| Lassen Volcanic National Park | 6,970 | March 1994 recreation visits | Source record |
| Lassen Volcanic National Park | 6,963 | January 1998 recreation visits | Source record |
| Lassen Volcanic National Park | 6,933 | March 2020 recreation visits | Source record |
| Lassen Volcanic National Park | 6,875 | April 2001 recreation visits | Source record |
| Lassen Volcanic National Park | 6,840 | February 2002 recreation visits | Source record |
| Lassen Volcanic National Park | 6,836 | December 1994 recreation visits | Source record |
| Lassen Volcanic National Park | 6,809 | March 1996 recreation visits | Source record |
| Lassen Volcanic National Park | 6,804 | December 2012 recreation visits | Source record |
| Lassen Volcanic National Park | 6,798 | November 2025 recreation visits | Source record |
| Lassen Volcanic National Park | 6,795 | January 2006 recreation visits | Source record |
| Lassen Volcanic National Park | 6,786 | February 2024 recreation visits | Source record |
| Lassen Volcanic National Park | 6,702 | January 2012 recreation visits | Source record |
| Lassen Volcanic National Park | 6,578 | November 1998 recreation visits | Source record |
| Lassen Volcanic National Park | 6,564 | December 2003 recreation visits | Source record |
| Lassen Volcanic National Park | 6,564 | December 2007 recreation visits | Source record |
| Lassen Volcanic National Park | 6,561 | February 2019 recreation visits | Source record |
| Lassen Volcanic National Park | 6,555 | March 2009 recreation visits | Source record |
| Lassen Volcanic National Park | 6,531 | November 2012 recreation visits | Source record |
| Lassen Volcanic National Park | 6,531 | March 2025 recreation visits | Source record |
| Lassen Volcanic National Park | 6,519 | December 2004 recreation visits | Source record |
| Lassen Volcanic National Park | 6,492 | April 2009 recreation visits | Source record |
| Lassen Volcanic National Park | 6,489 | January 2007 recreation visits | Source record |
| Lassen Volcanic National Park | 6,462 | December 2010 recreation visits | Source record |
| Lassen Volcanic National Park | 6,438 | February 2025 recreation visits | Source record |
| Lassen Volcanic National Park | 6,417 | February 2001 recreation visits | Source record |
| Lassen Volcanic National Park | 6,402 | April 2011 recreation visits | Source record |
| Lassen Volcanic National Park | 6,390 | January 2009 recreation visits | Source record |
| Lassen Volcanic National Park | 6,378 | December 2021 recreation visits | Source record |
| Lassen Volcanic National Park | 6,303 | January 2008 recreation visits | Source record |
| Lassen Volcanic National Park | 6,289 | March 2006 recreation visits | Source record |
| Lassen Volcanic National Park | 6,260 | February 1998 recreation visits | Source record |
| Lassen Volcanic National Park | 6,243 | December 2022 recreation visits | Source record |
| Lassen Volcanic National Park | 6,231 | February 2006 recreation visits | Source record |
| Lassen Volcanic National Park | 6,180 | April 2023 recreation visits | Source record |
| Lassen Volcanic National Park | 6,132 | January 2000 recreation visits | Source record |
| Lassen Volcanic National Park | 6,119 | November 1994 recreation visits | Source record |
| Lassen Volcanic National Park | 6,072 | March 2024 recreation visits | Source record |
| Lassen Volcanic National Park | 6,003 | December 2002 recreation visits | Source record |
| Lassen Volcanic National Park | 5,997 | December 2006 recreation visits | Source record |
| Lassen Volcanic National Park | 5,996 | April 1995 recreation visits | Source record |
| Lassen Volcanic National Park | 5,970 | February 2012 recreation visits | Source record |
| Lassen Volcanic National Park | 5,949 | November 2011 recreation visits | Source record |
| Lassen Volcanic National Park | 5,946 | February 2005 recreation visits | Source record |
| Lassen Volcanic National Park | 5,862 | January 2001 recreation visits | Source record |
| Lassen Volcanic National Park | 5,847 | March 2013 recreation visits | Source record |
| Lassen Volcanic National Park | 5,835 | February 2014 recreation visits | Source record |
| Lassen Volcanic National Park | 5,826 | April 1999 recreation visits | Source record |
| Lassen Volcanic National Park | 5,811 | March 1999 recreation visits | Source record |
| Lassen Volcanic National Park | 5,787 | January 2014 recreation visits | Source record |
| Lassen Volcanic National Park | 5,775 | February 2023 recreation visits | Source record |
| Lassen Volcanic National Park | 5,775 | March 2023 recreation visits | Source record |
| Lassen Volcanic National Park | 5,773 | February 1996 recreation visits | Source record |
| Lassen Volcanic National Park | 5,757 | January 1995 recreation visits | Source record |
| Lassen Volcanic National Park | 5,568 | February 2008 recreation visits | Source record |
| Lassen Volcanic National Park | 5,550 | December 2005 recreation visits | Source record |
| Lassen Volcanic National Park | 5,505 | December 2011 recreation visits | Source record |
| Lassen Volcanic National Park | 5,475 | January 2023 recreation visits | Source record |
| Lassen Volcanic National Park | 5,474 | March 1997 recreation visits | Source record |
| Lassen Volcanic National Park | 5,431 | February 1999 recreation visits | Source record |
| Lassen Volcanic National Park | 5,430 | December 2016 recreation visits | Source record |
| Lassen Volcanic National Park | 5,381 | April 1997 recreation visits | Source record |
| Lassen Volcanic National Park | 5,127 | February 2007 recreation visits | Source record |
| Lassen Volcanic National Park | 5,115 | March 1995 recreation visits | Source record |
| Lassen Volcanic National Park | 5,009 | February 1997 recreation visits | Source record |
| Lassen Volcanic National Park | 4,962 | November 1996 recreation visits | Source record |
| Lassen Volcanic National Park | 4,934 | February 2004 recreation visits | Source record |
| Lassen Volcanic National Park | 4,842 | February 2010 recreation visits | Source record |
| Lassen Volcanic National Park | 4,749 | December 2013 recreation visits | Source record |
| Lassen Volcanic National Park | 4,650 | April 1996 recreation visits | Source record |
| Lassen Volcanic National Park | 4,644 | February 2011 recreation visits | Source record |
| Lassen Volcanic National Park | 4,581 | December 1996 recreation visits | Source record |
| Lassen Volcanic National Park | 3,894 | December 2024 recreation visits | Source record |
| Lassen Volcanic National Park | 3,470 | January 1996 recreation visits | Source record |
| Lassen Volcanic National Park | 3,108 | May 2020 recreation visits | Source record |
| Lassen Volcanic National Park | 2,596 | January 1997 recreation visits | Source record |
| Lassen Volcanic National Park | 1,758 | March 2012 recreation visits | Source record |
| Lassen Volcanic National Park | 1,755 | December 1995 recreation visits | Source record |
| Lassen Volcanic National Park | 558 | August 2021 recreation visits | Source record |
| Lassen Volcanic National Park | 0 | April 2020 recreation visits | Source record |
| Lassen Volcanic National Park | 0 | September 2021 recreation visits | Source record |