Cass Scenic Railroad State Park is a state park and heritage railroad located in Cass, Pocahontas County, West Virginia. It consists of the Cass Scenic Railroad, a 11-mile long 4 ft 8+1⁄2 in standard gauge heritage railway owned by the West Virginia State Rail Authority and operated by the Durbin and Greenbrier Valley Railroad. The park also includes th…Cass Scenic Railroad State Park is a state park and heritage railroad located in Cass, Pocahontas County, West Virginia. It consists of the Cass Scenic Railroad, a 11-mile long 4 ft 8+1⁄2 in standard gauge heritage railway owned by the West Virginia State Rail Authority and operated by the Durbin and Greenbrier Valley Railroad. The park also includes the former company town of Cass and a portion of the summit of Bald Knob, the highest point on Back Allegheny Mountain.