U.S. Route 129 (US 129) is a north–south United States highway that travels 63.5 miles (102.2 km) through the westernmost part of North Carolina. Traveling from the Georgia state line near Bellview, to the Tennessee state line at Deals Gap, it is known for its scenic mountain valley vistas and curvy mountain bends popular with motorcycle and sports car enthusiasts.

Deals Gap is a mountain pass along the North Carolina–Tennessee state line, bordering the Great Smoky Mountains National Park and near the Little Tennessee River. At 0.7 miles (1.1 km) south of the gap is the unincorporated community that shares the same name, located at the intersection of US 129 and NC 28. The area is popular with sports car and motorcycle enthusiasts, who cross the gap into Tennessee to drive along the "Tail of the Dragon", famous for its 318 curves in 11 miles (18 km).