• Lassen Peak from Hat Creek

    Lassen Volcanic

    National Park California

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  • 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 »

Maps

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.

 
 
 
 
 
 
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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 Lassen Volcanic National Park. This map only shows potential avalanche terrain. Please be sure you are knowledgeable about avalanche danger and are properly equipped for winter backcountry travel.)

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.