sentences:  The river flows west through the foothills in the North Georgia mountains region and is a tributary of the Oostanaula River (which it turn is a tributary of the Coosa River).Primary tributaries of the Cooswattee River include Mountaintown Creek, Tails Creek, Cole Creek, Goble Branch, Harris Creek, Camp Branch, Lewis Branch, Woodring Branch, Fisher Creek, Talking Rock Creek, Willbanks Branch, Mineral Springs Branch, Rock Springs Branch, Sugar Branch, Duke Creek, Noblet Creek, Dry Creek, Salacoa Creek, Vanns Creek, and Crane Eater Creek
  
  In Murray County, the river is impounded by Carters Dam, forming Carters Lake (which is located mostly in Gilmer County).Completed in 1977, Carters Dam is the tallest earthen dam east of the Mississippi River.