The North River of Tennessee is a major tributary of the Tellico River. It rises in the Unicoi Range, which are geologically related to the Smoky Mountains to the north, in Monroe County, Tennessee inside Cherokee National Forest. Its entire course is located in a very scenic, very isolated area; for the vast majority of its length it is parallel by Forest Road 217, also called North River Road, managed by the Forest Service of the United States Department of Agriculture.
North River is a tributary of the Cacapon River, belonging to the Potomac River and Chesapeake Bay watersheds. The river is located in Hampshire and Hardy counties in the U.S. state of West Virginia's Eastern Panhandle. The mouth of North River into the Cacapon is located at Forks of Cacapon.