Firefighters are battling a rapidly growing fire in the Democrat Gulch area in Weaverville, in Trinity County.
There is a mandatory evacuation ordered for the west side of Oregon Mountain down to Highway 299. Steiner Flat Road in Douglas City is under a voluntary evacuation order.
Oregon Street is closed to the top of Oregon Mountain.
The fire was reported just after 2:00 this afternoon.
The fire is burning toward the northwest, throwing out sparks that are lighting new fires as it advances.
There's an antenna farm with cell phone and other communications on top of Oregon Mountain that is threatened if the fire continues to move in that direction.
As of 5:00 P.M. Tuesday, the Democrat fire has burned 50 acres. The cause is under investigation.
An evacuation center will be set-up at the First Baptist Church at 1261 S. Main Street in Weaverville.