Lake Humphreys is one of four Duncan area reservoirs in south central Oklahoma. Guests to this lake will enjoy 840 acres of recreational space and 17 miles of shoreline. Anglers can fish for largemouth bass from an enclosed, floating fishing dock, or take their boat on the lake using one of three boat ramps. Lake Humphreys also includes 44 RV hookups, a pavilion and a sanitary dump station.