Breaking: R-4 Fire reported in Lassen County on July 31

Published Aug 1, 2025 #R-4 fire

First discovered: 4:40 p.m. July 31

Initial location: Lassen County, Calif.

Fire type: Wildfire

Fire name: R-4

A new wildfire was reported today at 4:40 p.m. in Lassen County, California.

R-4 Fire has been burning on federal land managed by the Bureau of Land Management. At this time, the containment status is unknown and the cause of the fire remains undetermined.

Source: National Interagency Fire Center