• Lassen Peak from Manzanita Lake

    Lassen Volcanic

    National Park California

  • Lassen Volcanic NP Highway Closed to Through Traffic

    The Lassen Volcanic NP Highway is closed at the Devastated Area (10 miles inside the northwest entrance) and Bumpass Hell parking area (7 miles from the southwest entrance). More »

Mill Creek Falls Trail

Did You Know?

reddish color microscopic snow alage

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.