Cumberland River Tennessee, where it is joined by the Obey River and Caney Fork. Northeast of Nashville, the river is dammed twice more, forming Cordell Hull Lake and Old Hickory Lake. After flowing through Nashville and picking up the Stones River, the river is dammed to form Cheatham Lake. The river turns northwest toward Clarksville, where it is joined by the Red River, and then flows back into Kentucky at the Land Between the Lakes National Recreation Area, a section of land nestled between Lake Barkley, which is fed by the Cumberland River, and Kentucky Lake. Finally, the river flows north and
Cumberland darter Cumberland darter The Cumberland darter ("Etheostoma susanae") is a rare species of fish in the perch family endemic to Kentucky and Tennessee in the United States, where it occurs in the upper Cumberland River tributaries above Cumberland Falls. It was federally listed as an endangered species in the US on August 9, 2011. This fish measures over 5.5 cm in maximum length. It is pale yellow in color with six brown saddle-like markings on the sides. On the male, these markings fade during the breeding season and the fish becomes darker in color. The Cumberland darter lives in pools and