National Park · CA
Lassen Volcanic National Park
Lassen Volcanic is quietest in January and February and busiest in July.
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.
427K recreation visits a year on average (2023–2025)
Data: NPS visitation 2023–2025 · crowd scores computed Oct 2026 · alerts checked Oct 18, 2026. How this is calculated →
Computed from federal data · Methodology by Sharon Ben-Moshe
Pick a month to visit Lassen Volcanic
This week
7-day forecast
| Day | Conditions | High | Low | Precip chance |
|---|---|---|---|---|
| Sun 18 | Partly cloudy | 60°F | 39°F | 0% |
| Mon 19 | Overcast | 52°F | 36°F | 1% |
| Tue 20 | Light drizzle | 52°F | 34°F | 32% |
| Wed 21 | Heavy drizzle | 49°F | 34°F | 65% |
| Thu 22 | Light rain | 43°F | 33°F | 62% |
| Fri 23 | Partly cloudy | 57°F | 27°F | 39% |
| Sat 24 | Mostly clear | 66°F | 35°F | 26% |
Forecast data by Open-Meteo
Source: Open-Meteo
Weather
Monthly climate normals
| Month | Avg high | Avg low | Precip |
|---|---|---|---|
| January | 41°F | 22°F | 6.5" |
| February | 42°F | 22°F | 5.5" |
| March | 46°F | 24°F | 6.4" |
| April | 50°F | 28°F | 4.3" |
| May | 61°F | 35°F | 2.9" |
| June | 70°F | 41°F | 1.3" |
| July | 79°F | 46°F | 0.3" |
| August | 78°F | 45°F | 0.3" |
| September | 72°F | 41°F | 0.7" |
| October | 59°F | 33°F | 2.7" |
| November | 47°F | 26°F | 4.7" |
| December | 40°F | 22°F | 6.5" |
Source: NOAA 1991–2020 climate normals, MANZANITA LAKE, CA US
Know before you go
Fees & hours
- Entrance fee
- $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.
- Hours
- The park is always open. Road access is limited during the winter season, approximately November through May, due to snow.
Source: NPS Data API
Conditions
Current alerts
- Information
Visitor Phone Line Intermittent
You may experience problems reaching park staff via the main visitor phone line which functions intermittently. You may email the park at lavo_information@nps.gov with general park questions.
- Information
EV charging station unavailable
The Electric Vehicle charging station is non-functional. There is no timeline for when it may become available. Please plan accordingly.
Details on nps.gov → - Information
Juniper Lake Campground Closed
The Juniper Lake Campground and day use area is currently closed for maintenance and campground improvement projects. Potable water is not available in the campground. The Juniper Lake Road (access to lake and trailheads) is open. Please drive with caution as road crews and contractors may be actively working along the roadway.
Details on nps.gov →
Source: NPS Data API
FAQ
Lassen Volcanic questions
When is the best time to visit Lassen Volcanic?
Lassen Volcanic is least crowded in January, February, and March. July is the busiest month, so visiting outside it means thinner crowds and easier parking.
How much does it cost to visit Lassen Volcanic?
Entrance to Lassen Volcanic costs $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.).
When is Lassen Volcanic busiest?
Lassen Volcanic is busiest in July, when crowds rate 10/10 (peak). Expect full parking lots and longer waits; arrive early or choose a quieter month.
How crowded is Lassen Volcanic during holidays and fee-free days?
Holiday weekends (Memorial Day, Labor Day, Fourth of July) and official NPS fee-free days typically bring peak crowd conditions to Lassen Volcanic. Arrive before 8 AM or after 3 PM to secure parking and avoid peak trail congestion.