Hiking North Carolina's Mountains-to-sea Trail North Carolina's Mountains-to-Sea Trail offers some of the most rewarding hiking experiences in the East. Covering nearly 1,000 miles, it stretches from Clingman's Dome, the highest peak in the Great Smoky Mountains National Park, to Jockey's Ridge, the largest sand dune on the Atlantic Coast. The route, a mix of some 500 miles of designated and planned hiking trails and 500 miles of state bicycle... Full description