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).
As you are planning your visit, it is very important to note that winter at Lassen Volcanic involves risk. Make safety your priority by being prepared and aware of the risk involved with your selected activity. Learn more about safety considerations by activity below or select a document to help you prepare.
Are You Ready for Winter Conditions?
Did You Know?
The Lassen Smelowskia flower only grows within Lassen Volcanic National Park, with the largest population on Lassen Peak, and is considered a Threatened and Endangered Species.