Green River Lake State Park is a public recreation area found south of Campbellsville in Taylor County, Kentucky. The park encompasses , while Green River Lake, its major feature, covers .
The Army Corps of Engineers started construction of a dam in 1964 and Green River Lake State Park opened in 1969.
The park has an 18-hole miniature golf course, hiking trails, beach, picnic areas, playgrounds, campgrounds and marina. The lake is populated with bass, bluegill, catfish, crappie, walleye, and muskie.