Lassen Volcanic National Park Map (Interactive above) | Downloadable/printable version
Avalanche Terrain Map - Learn more about avalanche safety and winter activities here
USGS Topographic Maps
The following US quadrangle (Quad) topographic maps are free to download from USGS. The 1:24,000-scale maps are also known as 7.5-minute quadrangles. These quads are provided for download in geospatial PDF format and can be used in mobile offline map reader apps such as Avenza Maps.
Last updated: April 19, 2021