Redwoods to Crater Lake
Volcanoes, the tallest trees on Earth and America's deepest lake.
Best time to visit · California
Best Time to Visit Lassen Volcanic National Park
Boiling mud pots, steaming vents and a volcano you can climb, without the crowds.
The best time to visit Lassen Volcanic National Park is July–September. For great conditions with fewer people, aim for July and September. It's busiest in August.
Month by month
Best monthsJul–Sep
Best valueJul and Sep
BusiestAug
Established1916
Lassen Volcanic by season
Winter Fair
Deep snow closes the main park highway. Snowshoeing and backcountry skiing from the southwest entrance.
Spring Fair
Still snowbound. The highway usually clears only in June, or later after big winters.
Summer Good
The main season, usually July to September. Trails to Lassen Peak and Bumpass Hell open, and the lakes are swimmable.
Fall Good
Quiet and crisp. The highway stays open until the first heavy snow, often in October or November.
What to do
- Walk the boardwalk through Bumpass Hell
- Summit Lassen Peak (10,457 ft)
- Drive the Lassen Volcanic National Park Highway
- Climb the Cinder Cone
- Paddle Manzanita Lake with a view of the peak
Local tip
Check the snow-clearing updates in spring. Opening dates for the full highway swing by several weeks depending on the winter.
Good to know
Lassen Volcanic is one of the few places in the world with all four types of volcano: shield, plug dome, cinder cone and composite.
Before you go: The main park highway closes for winter; the snowplow schedule decides when it reopens. Check current conditions on nps.gov.
Getting there
Closest major airport: Redding (RDD), about 1 hour.
Nearby national parks
Approximate driving distance. Check a map for exact routes.
Where to stay
Lassen Volcanic month-by-month ratings
Road trips with Lassen Volcanic
Questions about visiting Lassen Volcanic
When is the best time to visit Lassen Volcanic National Park?
The best time to visit Lassen Volcanic National Park is July–September. For great conditions with fewer people, aim for July and September. It's busiest in August.
What is the worst time to visit Lassen Volcanic National Park?
November through June are the weakest time, when snow closes roads, trails or services.
When is Lassen Volcanic National Park most crowded?
Crowds peak in August. July and September offer the best balance of good conditions and fewer people.
Is Lassen Volcanic National Park worth visiting in winter?
Deep snow closes the main park highway. Snowshoeing and backcountry skiing from the southwest entrance.
Do you need a reservation for Lassen Volcanic National Park?
The main park highway closes for winter; the snowplow schedule decides when it reopens. Always check the official NPS page for the current year's rules.
What is the closest airport to Lassen Volcanic National Park?
The most convenient airport is Redding (RDD), about 1 hour.
How many days do you need at Lassen Volcanic National Park?
Most road trips spend 1 to 2 days here.
More in California · National parks in California · Season calendar
Last reviewed October 4, 2026. Ratings are editorial. Rules and road openings change each year, so confirm on the official NPS site before you go.