Side road to Clingmans Dome, the highest point in Tennesse This is a seven mile detour to see Clingmans Dome. The views from parking area at the end is worth the drive alone. There is a steep hike to the top of the Dome, but on a clear day it is well worth it! At 6,643 feet, Clingmans Dome is the highest point in the Great Smoky Mountains National Park. It is the highest point in Tennessee North Carolina is home to more than 30 state parks from its mountains to the sea. Hiking, camping, boating, picnicking, rock climbing, nature watching