Burnt Factory is an unincorporated community in Morgan County, West Virginia north of Berkeley Springs. It is located along Sand Mine Road (West Virginia Secondary Route 38/1) off Hancock Road (U.S. Route 522) and is the site of the U.S. Silica Company's Berkeley Springs plant. U.S. Silica is a producer of ground and unground silica sand, kaolin clay, and aplite. These materials are extracted from Warm Spring Ridge directly across U.S. Route 522 from the facility in Burnt Factory.