View of Shasta from Northwest View of Shasta from Southeast Last Light on Lassen Sunset from Emigrant Pass Sunrise on Lassen Peak Alex Explores a Stream Climbing Towards the Northeast Face Alex Atop a Glacier Table View of Shasta from Lassen Slopes Climbing Towards the Summit Struggling Towards the Summit Lassen Summit Monument Looking Down the South Side Lassen Summit Photo Skiing the Northeast Headwall Skiing the Northeast Face Skiing through Slide Debris Skiing the Last Finger of Snow Map of the Climbing/Skiing Route Snowy South Side Parking Lot Fumaroles at Sulphur Works View of the South Side of Lassen

Farther along the park road, there are numerous volcanic features which show that Lassen is still an active volcano, with hot magma lying in wait just a few miles below. Numerous fumaroles such as these at Sulphur Works spew steaming, foul-smelling gases into the air continuously.