(Utah)
Gunlock State Park is a state park of Utah, USA, adjoining the 266-acre (108 ha) Gunlock Reservoir that impounds the Santa Clara River. The park is located approximately 15 miles (24 km) northwest of St George. The reservoir dam was constructed in 1970 for irrigation water and flood control. (Ref: https://en.wikipedia.org/wiki/Gunlock_State_Park)