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.

This page lists typical operating months for park roads and facilities. Please see linked facility-specific pages for current dates and hours. Planning to visit in a particular time of year? Check out park information by season.

Typical Operating Months

Roads

All park roads will close with the onset of winter snow. They reopen after snow melts or is cleared in late spring or early summer.

Lassen Volcanic National Park Highway (Hwy 89): June - October

Butte Lake Road: June - October

Juniper Valley Road: June - October

Warner Valley Road: June - October

Visitor Centers

Kohm Yah-mah-nee Visitor Center: Year-round; limited hours in winter

Loomis Museum: Memorial Day Weekend to October; limited hours in Fall

Campgrounds

*includes a few weeks of dry-camping (no running water) in fall

Southwest Walk-in Campground: Year-Round

Summit Lake South: Late June to late September*

Summit Lake North: late June to early September

Lost Creek Group: mid-June to mid-September

Manzanita Lake: mid-June to early November*

Butte Lake Campground: June to October*

Juniper Lake Campground: June to October

Warner Valley Campground: June to October

Other Goods and Services

Please see their websites for current hours information.

Lassen Association: Manages park stores within Kohm Yah-mah-nee Visitor Center and near Loomis Museum

Lassen Lodging: Manages café & giftshop in Kohm Yah-mah-nee Visitor Center and a camper store with gas station and watercraft rentals in Manzanita Lake Campground