Roan High Knob, located between Carver's Gap and Tollhouse, is the highest point on Roan Mountain with an elevation of . The Tennessee-North Carolina border crosses its summit. High Knob is the highest point in Tennessee outside of the Great Smoky Mountains. and the 15th-highest peak in the eastern United States. The Appalachian Trail crosses High Knob's western slope, with a well-marked spur trail leading to the summit. The Roan High Knob Shelter is a few feet from the summit.