The Antelope Fire was a wildfire that burned in the Klamath National Forest, the Modoc National Forest, the Shasta-Trinity National Forest, and in Lava Beds National Monument in Siskiyou County, California, in the United States. The fire was started by a lightning strike and was first reported on August 1, 2021. As of October 15th, the fire had burned 145,632 acres (58,935 ha).