Park Highway Closed to Through Traffic
Lassen National Park Highway is closed to through traffic. The highway is open to the the Kohm Yah-mah-nee Visitor Center (1 mile inside the southwest entrance) and the Devastated Area (10 miles inside the northwest entrance). Snow removal has begun. More »
Below is a list of downloadable maps in pdf (Adobe Portable Document Format). To view these maps, you will need Acrobat Reader or the Acrobat plug-in for your browser. Note that some map files are large and may take some time to download.
Click here to download a map showing slope characteristic for the southwest and Lassen Peak areas of Lassen Volcanic National Park (Attention: This map does not show current conditions at
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.