The Rough River Lake is a Y-shaped reservoir located in Breckinridge, Hardin, and Grayson counties in Kentucky, United States, about 70 miles southwest of Louisville. This lake was created by the building of a dam, begun in 1955 and completed in 1961, 89.3 miles (143.7 km) above the connection between the Rough River and the Green River. The land and water, along with the wildlife, fisheries, and recreational activities, are all managed under the cooperation of the U.S. Army Corps of Engineers and the Commonwealth of Kentucky. A primary attraction is Rough River Dam State Resort Park.