Nolin River Lake is a reservoir in Edmonson, 

Grayson, and Hart counties in Kentucky. It was impounded from the Nolin River by the United States Army Corps of Engineers in 1963.[1] The Nolin River dam was authorized in 1938 as part of a flood control act. The lake varies from 2,890 acres (11.7 km²) in the winter to 5,795 acres (23.5 km²) in the summer.  Nolin Lake's max estimated depth is 100 ft.