Coleman River is a 6.6-mile-long (10.6 km) stream that is located in the Blue Ridge Mountains, mostly within Rabun County, Georgia. It is one of the main tributaries of the Tallulah River. The headwaters of Coleman River are located in Clay County, North Carolina, and the river travels a short distance before crossing into Georgia. The length of Coleman River in Rabun County is approximately 5.4 miles (8.7 km), with about 1.3 miles (2.1 km) traveling through private lands and about 4.1 miles (6.6 km) traveling through the Chattahoochee National Forest. The northern part of Coleman River in Georgia, from an elevation of about 2,800 feet (850 m) northward, together with the portion of Coleman River in North Carolina, is located in the Southern Nantahala Wilderness.