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).
Plan A Field Trip
Extend your students learning by using Lassen Volcanic National Park as a classroom.
Onsite Educational Resources
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.