Lassen Volcanic National Park

About Lassen Volcanic National Park

Lassen Volcanic National Park showcases the ongoing geologic activity of the Cascade Range. The park contains examples of all four types of volcanoes: plug dome, shield, cinder cone, and stratovolcano. Lassen Peak is the largest plug dome volcano in the world and last erupted from 1914 to 1917. Today, the park features active hydrothermal areas including Bumpass Hell, with its boiling springs, mudpots, and fumaroles. The park also offers excellent stargazing as a designated Dark Sky Park.

Park Highlights

• Lassen Peak
• Bumpass Hell
• Manzanita Lake
• Sulphur Works
• Cinder Cone
• Lassen Peak Trail

Activities

Wildlife

Visitor Information

Visitor Tips

• Highway 89 through park usually open July-October
• Bumpass Hell has wooden boardwalks through geothermal area
• Lassen Peak hike is 5 miles round trip, strenuous
• Snow can linger into July

Location

Official Resources