Operating Hours & Seasons

Lassen Volcanic National Park is open 24 hours per day, 365 days per year. You do not need a reservation to enter the park.

Roads

Road information is available in alerts listed on the top of every webpage and on the park Current Conditions page.

(listed north to south)

Open dates for visitor contact stations within Lassen Volcanic National Park.
Name	Open Days	Open Hours
Loomis Museum	Fridays, Saturdays, & Sundays	10am - 2pm
Kohm Yah-mah-nee Visitor Center	Daily (Mondays - Sundays)	9:30am - 4:30pm

(listed north to south, park highway then outlying areas)

Open dates and fees for campgrounds within Lassen Volcanic National Park.
Campground Name	Full Service Dates	Dry Camping Dates
Manzanita Lake	5/23 - 10/7	Loop A & B: 10/8 - snow closure
ML Group	5/23 - 6/24; 9/2 - 10/7	n/a
Lost Creek Group	6/13 - 7/28; 8/7 - 9/16	n/a
Summit Lake North	6/27 - 9/8	n/a
Summit Lake South	6/27 - 9/8	9/9 - 9/23
Southwest Walk-In	Closed, work in progress to re-open	-
Butte Lake	5/30 - 9/1	Loop B: 9/2 - 10/14
BL Group	5/30 - 9/1	9/2 - 10/14
Juniper Lake	Closed; work in progress to re-open	-
JL Group	Closed; work in progress to re-open	-
Warner Valley	6/16 - 10/14 (see concession website for more information)

Please see their websites for current hours information.

View sample itineraries from several days to two or more days.

Plan your visit in Late September to November.

Winter is a season of snow and solitude. Vehicle access is limited, but over-the-snow adventure is seemingly endless.

While flowers are blooming at lower elevations, there is still a lot of snow in the park. Planning ahead can ensure an enjoyable visit.

Last updated: May 24, 2025

PO Box 100
Mineral, CA 96063

530 595 6100
Park phone lines may be intermittently offline.