The Barren River is a 135-mile-long (217 km) river in western Kentucky, United States. It is the largest tributary of the Green River, which drains more of Kentucky than any other river. The Barren River rises in Monroe County and flows into the Green in northeast Warren County.
“WARREN county was formed in 1796, and named in memory of General JOSEPH WARREN, who fell at Bunker Hill. It embraces about five hundred and sixty square miles; and is bounded on the north by Butler and Edmonson; east by Barren; south by Allen and Simpson; and west by Logan and Butler. Big Barren river, which heads near the Cumberland, runs through this county. Its tributaries, in the county, are, Bay’s fork, Drake’s and Jennings’ creeks, and Gasper river. Several mineral springs in the county -one, three miles from Bowling-Green, (Mr. Jackson’s,) in character of its water, much like the Blue Lick. Face of the country gently undulating. Soil fertile and productive, based mostly on red clay and limestone foundation. Principal articles of export, tobacco, wheat, corn and pork.” source: History of Kentucky, by Lewis Collins, Reprint 1968, Henry Clay Press