Pine Creek Lake is a lake in McCurtain County and Pushmataha County, Oklahoma, USA. It is 8 miles (13 km) north of Valliant, Oklahoma. It is located east of Rattan and north of Sobol.
The lake, which was built in 1969, impounds the waters of Little River, Pine Creek, and Turkey Creek with an earth dam. It is managed by the U.S. Army Corps of Engineers for flood control, water supply, fish and wildlife, and recreational purposes. The adjacent Pine Creek Wildlife Management Area extends this mission.
Pine Creek Lake comprises 3,750 acres (15.2 km2) of area and 74 miles (119 km) of shoreline. Normal pool elevation is 438 feet (134 m) above sea level. Its flood pool capacity is 465,780 acre feet (574,530,000 m3), at which time its flood pool is at an elevation of 480 feet (150 m) above sea level. Normal pool capacity is 53,750 acre feet (66,300,000 m3).
Pine Creek Lake divides the Little River into upper and lower reaches. It is one of two impoundments on the river, the other being Millwood Lake in Little River County, Arkansas.
The wildlife management area covers10,280 acres (41.6 km2) and is adjacent to Little River and Pine Creek Lake.