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

A group of 19 people and a ranger in the snow at the base of pointed peak

Free Entrance Veterans Day 11/11

Celebrate America’s military veterans with free entrance to all NPS sites this Veterans Day, November 11.

Lassen Peak reflected in pond lined by yellow grasses and orange leaves

Visiting in Fall

All areas of the park remain open, however short-term closures may occur due to snow. Learn more to help you plan your fall visit.

A hole created by someone breaking through the ground at Sulphur Works.

Safety is Your Responsibility

Protect yourself by implementing a few safety tips during your visit to Lassen.

Hikers on the newly constructed boardwalk in a hydrothermal basin

Bumpass Hell Trail Open

The Bumpass Hell Trail is now open. Hikers will see continuing rehabilitation efforts.

Vehicle on park highway with Lassen Peak in background

Check on Park Conditions

Check for conditions updates such as park roads and trails.

Visitors with leashed dogs at table

Pets in the Park

Be sure you know pets regulations before your visit.

A man and women release a red fox into a snow-covered forest

Lassen's Own Fox

Lassen is one of only two known habitats of the rare Sierra Nevada red fox. Current survey efforts may be its best chance of recovery.

A rounded device sits atop a tripod on rocky ground, backed by a solar panel and mountain

What's Shaking: Volcano Monitoring

Discover what being ranked as a very high threat volcano means for Lassen Volcanic.

Last updated: November 9, 2019

Contact the Park

Mailing Address:

PO Box 100
Mineral, CA 96063

Phone:

(530) 595-4480

Contact Us