VALLEJO, Calif.—Investigators from the U.S. Forest Service Law Enforcement & Investigations and Tuolumne County District Attorney's Office have determined the Rim Fire began when a hunter allowed an illegal fire to escape. There is no indication the hunter was involved with illegal marijuana cultivation on public lands and no marijuana cultivation sites were located near the origin of the fire. No arrests have been made at this time and the hunter's name is being withheld pending further investigation.
The Rim Fire began Saturday, Aug. 17, 2013, on the Stanislaus National Forest near the area known as Jawbone Ridge. The fire has burned 237,341 acres and is 80 percent contained.