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.
Manzanita Lake Winter Routes Guide (pdf, 424 KB)
Are You Ready for Winter Conditions?
Did You Know?
On the evening of May 14, 1915, incandescant blocks of lava could be seen bouncing down the flanks of Lassen Peak from as far away as the town of Manton, 20 miles to the west.