Harrison Lake State Park is a 142-acre (57 ha) state park located southwest of Fayette, Ohio, established in 1950. The park offers a 3.5-mile hiking trail, 150-foot swimming beach, and a campground with 181 campsites.Harrison Lake covers 95 acres (38 ha). It was artificially created with the damming of Mill Creek, a tributary to the Tiffin River, in 1939. The maximum depth is over fifteen feet near the dam. Fish include bluegill, channel catfish, largemouth bass, white crappie and bullhead.A 4-H camp located by the lake offers access to the water for its campers.