National Forest
Lassen National Forest is open.
Last checked Wed, 14 Oct 2026 13:00:58 GMT
Lassen National Forest is a United States national forest of 1,700 square miles (4,300 km2) in northeastern California.
Lassen National Forest is a United States national forest of 1,700 square miles (4,300 km2) in northeastern California. It is named after pioneer Peter Lassen, who mined, ranched and promoted the area to emigrant parties in the 1850s.
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We derive Lassen National Forest's status from NIFC wildfire perimeters over this forest's boundary — active fires only, not road, trail, or seasonal closures, refreshed hourly — this is our reading, not an official determination. As of the last check: No active large wildfire in or adjacent to this forest. Seasonal road, trail, and area closures may still apply — see the forest's alerts… Full method: how we check park status.