Newfound Gap, which sits at an elevation of 5,046 feet, is the lowest drivable pass in the park. The scenic, roughly 30-mile-long Newfound Gap Road (U.S. Route 441) runs through the center of the ...
The Alum Cave trailhead is between mile markers 10 and 11 on Newfound Gap Road; it's roughly 9 miles from the Sugarlands Visitor Center. Access to the trail is free. For more information ...