Explore the Undiscovered

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. Lassen Volcanic offers opportunities to discover the wonder and mysteries of volcanoes and hot water for visitors willing to explore the undiscovered. Read More

Walls of snow line a gray highway; snow-covered peaks rise in the background

Highway to Open to through Traffic 5/27

Snow clearing is complete. The highway is expected to open to through traffic on Sunday, May 27

Two adults and two children on two extendable bicycles on a highway with snow in the background

Hike and Bike the Highway Sat 5/26

Hike and bike between Sulphur Works and Devastated Area (~19 mi) without vehicles.

Southwest park entrance

View Current Conditions

Check road conditions, snow depths, the weather forecast, and webcams.

A woman helps two young visitors at the Lassen Gift Store

Visitor Services

Learn what is available during our visit to the park during the spring season.

A visitor pays an entrance fee

Fee Changes

Selected entrance and campground fees increased on January 1, 2018.

Visitors outside of the Kohm Yah-mah-nee Visitor Center

Plan Your Summer Visit

Make the most out of your summer trip and plan ahead.

Milk Way rises above telescope viewing near Manzanita Lake

Mark Your Calendar for Special Events

Dates are set for the Dark Sky Festival, Day in the Park Festival, Hike-a-Thon, and more.

Hikers on the boardwalk in Bumpass Hell basin

Bumpass Hell Trail Closed in 2018

The Bumpass Hell Trail is closed through at least December 2018 for a restoration project. Visit another hydrothermal area this summer.

Last updated: May 22, 2018

Contact the Park

Mailing Address:

PO Box 100
Mineral, CA 96063


(530) 595-4480

Contact Us