Alum Cave Trail is a 4.6-mile out-and-back foot trail in Great Smoky Mountains National Park, Tennessee. Difficulty: moderate, estimated from distance. That is the full hike: the mapped trail line runs 9.8 mi because it also covers connecting trails, so it is not the length of this hike. The figure is for the Park Service's “Hike to Alum Cave Bluffs” hike, which uses this trail.

Hike to Alum Cave Bluffs
Length 4.6 miles (7.4 km) roundtrip Parking & Trailhead Please consider a shuttle or park at Alum Cave Bluffs Trailhead located on Newfound Gap Road (US 441) between mile marker 10 and 11.
Read the official NPS description
Open Alum Cave Trail on Trailbound's interactive map to see the full route, the elevation profile, today's forecast and any park alerts for Great Smoky Mountains. Great Smoky Mountains has permits or reservations for some areas: see the Great Smoky Mountains page for what's needed.