• Lassen Peak from Hat Creek

    Lassen Volcanic

    National Park California

Plan Your Visit

Lassen Volcanic National Park provides a wealth of fun activities that are as varied as the seasons of the park. Select a link below to learn more about planning your visit to Lassen.

¿Habla usted español?
View the new
Spanish language brochure (pdf, 2.3KB)

First-time Visitor?
Learn more about Lassen Volcanic with the Explore the Undiscovered handout (pdf, 2.3MB) .


Lassen Peak Trail Summit Open Dates
This summer marks the final season of the Lassen Peak trail restoration project. The trail is closed at "Grandview", approximately 1.3 miles from the park area with the exception of the following dates when the the trail will be open to the summit:

  • Friday, August 8 through Sunday, August 10
  • Friday, August 29 through Monday, September 1
  • Friday, September 26 through Sunday, September 28
  • Friday, October 10 through Monday, October 13
Learn more about the Lassen Peak Trail and plan your hike here.

Did You Know?

reddish color microscopic snow alage

The reddish color sometimes observed on top of snow at Lassen Volcanic NP snow is a living organism called snow algae. When snow begins to thaw, these microscopic organisms spring to life. They function as a primary food source and are being studied for their cancer-fighting properties.