Park highway under construction near Sulphur Works
Road crews are working to repair the road near Sulphur Works hydrothermal area. Road will be open, with one-way controlled traffic at Sulphur Works, during the Memorial Day weekend (5/24-5/27).
Winter at Lassen offers the opportunity to step outside of the boundaries by trying something new or exploring new terrain. Once the roads disappear and the trails are hidden under snow, and snowshoes are a great way to explore.
Explore on Your Own
Ranger-led Snowshoe Walks
Ski and Snowshoe Routes
This trail is not recommended for skiing
Distance: 1.6 mile loop
Elevation: 5800 feet to 5850 feet
Average Time: 1.5 hours
Nanny Creek via McGowan Ski Trail
Located in adjacent Lassen National Forest
Distance: 5 miles to Nanny Creek one-way
Elevation: 6080 feet to 5110 feet
Average Skiing Time: 4 hours
Main Park Road to Lake Helen
Distance: 12.4 miles round-trip
Elevation: 6700 feet to 8200 feet
Average Skiing Time: 6 hours
Distance: 20 miles round-trip
Elevation: 6700 feet to 10,457 feet
Average Skiing Time: 3 days
Did You Know?
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.