Cumberland River Cumberland River The Cumberland River is a major waterway of the Southern United States. The river drains almost of southern Kentucky and north-central Tennessee. The river flows generally west from a source in the Appalachian Mountains to its confluence with the Ohio River near Paducah, Kentucky, and the mouth of the Tennessee River. Major tributaries include the Obey, Caney Fork, Stones, and Red rivers. Although the Cumberland River basin is predominantly rural, there are also some large cities on the river, including Nashville and Clarksville, both in Tennessee. In addition, the river system has been extensively developed for flood control,
Big South Fork of the Cumberland River a flow of . Around half of the Big South Fork's annual streamflow occurs during the months of January through March, and the lowest streamflow typically occurs during September and October. Along the river basin, water drops from an maximum original elevation of above sea level at Peter's Bridge on the Clear Fork, to where the waters meet the Cumberland. Between the confluence of the New River and Clear Fork, and Leatherwood Ford the river has an average gradient across of 20 feet per mile (fpm), and a maximum gradient of 40 fpm. Major tributaries of the Big South Fork