• Lassen Peak from Hat Creek

    Lassen Volcanic

    National Park California

There are park alerts in effect.
show Alerts »

  • Road through the park is closed

    Park highway (HWY 89) is currently being cleared of snow, debris, and rocks. Anticipated opening for Memorial Weekend. More »

  • Park highway under construction near Sulphur Works

    Road crews are working to repair the road near Sulphur Works hydrothermal area. Road will be closed at the Kohm Yah-mah-nee Visitor Center during the week, and open to Sulphur Works on the weekends.

Off-trail Travel Restrictions for Lassen Peak

During times of trail closure, off-trail travel is prohibited in the following area:

  • From west side of Lassen Peak Parking Lot to the summit of Eagle Peak.
  • From the summit of Eagle Peak to the summit of Lassen Peak.
  • From the summit of Lassen Peak to the intersection of the Terrace Lake and Hat Lake Trails.
  • From the summit of Terrace Lake and Hat Lake Trails following the Terrace Lake trail to the Lassen Park Highway.
  • Following the Lassen Park Highway to Lassen Peak Parking Lot.

See map below:

 
Map Showing Off-trail travel restrictions during peak trail closure
 

Off-trail

Hikers attempting to reach the summit of Lassen Peak must remain outside of this closure area.

Off-trail travel on Lassen Peak can be technical requiring mountaineering knowledge, skill, and equipment.

Be prepared! You are responsible for your own safety.

Speak with a ranger before attempting to summit Lassen Peak off-trail.

On-trail

Hikers within the closure area must remain on the Lassen Peak Trail.

Did You Know?

brokeoff mountain set against a deep blue sky

Brokeoff Mountain, seen here in Lassen Volcanic National Park, was once part of a much larger composite volcano, called Brokeoff Volcano, that towered 1000 feet above Lassen Peak and looked similar to Mount Shasta.