LAKE COUNTY, Calif. — Firefighters are working to stop a fire that began Thursday afternoon near Robinson Rancheria.

The Acorn fire was first reported at around 1 p.m. in the area of Manzanita Circle and Acorn Drive near Robinson Rancheria.

Initial reports from the scene put the fire at three acres with a moderate rate of spread, with a request for structure protection due to the nearby subdivision.

Air support has been brought in from the Ridge fire east of Clearlake Oaks to help with stopping the blaze, according to radio reports. FlightRadar24 showed U.S. Forest Service tankers were working the site.

Cal Fire arrived on scene at about 1:15 p.m. and entered in unified command with Northshore Fire.

By about 1:30 p.m., the fire was reported to be between 15 and 20 acres. At that point, incident command requested five more engines, four dozers, four water tenders and four crews, with the Northshore Support Team requested shortly afterward.



The Acorn fire as seen on fire alert cameras supported through PG&E.

Firefighters also were reporting issues with people on Highway 20 at Reclamation Road blocking traffic, with the California Highway Patrol requested to respond.

At 1:42 p.m., the Lake County Sheriff’s Office issued an evacuation warning for zones UPP-E029 & UPP-E034. The zones can be seen here.

At 2:25 p.m., incident command updated the fire’s size to 75 acres, noting they are making good progress to get around the fire.

At 3:25 p.m., the fire was reported to be 151 acres.

Forward progress was reported to be stopped just after 4:30 p.m. 

On Thursday night, Cal Fire said the Acorn fire remained at 151 acres, with containment at 10%.

Additional information will be published as it becomes available.

Email Elizabeth Larson at This email address is being protected from spambots. You need JavaScript enabled to view it.. Follow her on Twitter, @ERLarson, or Lake County News, @LakeCoNews.