According to legend, Nolin River was so named when a group of hunters camped on a knoll near the river and a member of the hunting party, Benjamin Lynn, became lost.
[5] The Nolin River is formed in western LaRue County by the confluence of its short North[6] and South[7] Forks, both of which flow for their entire lengths in LaRue County; the North Fork flows past Hodgenville.
The Nolin then flows generally southwestwardly through or along the boundaries of Hardin, Grayson, Hart and Edmonson counties.
It joins the Green River in the western part of Mammoth Cave National Park, about 2 miles (3 km) northeast of Brownsville.
[8] The Nolin River at Kyrock, Kentucky measures approximately 989 cubic feet per second on average.