Alum Cave Trail, Hiking trail in Great Smoky Mountains National Park, Tennessee, United States.
Alum Cave Trail is a hiking path in Great Smoky Mountains National Park, Tennessee, that climbs through old forest to a rock shelter formed from black slate. Along the way, hikers pass Arch Rock, a natural tunnel, and sandstone cliffs that rise beside the ascending route.
Between 1838 and the mid-1840s, workers mined alum and Epsom salts here, with operations briefly resuming during the Civil War. The cave itself is actually an overhanging bluff that formed through erosion over thousands of years.
Gracie's Pulpit, a vista point along the route, honors Gracie McNichol who hiked here on her 92nd birthday. Visitors often pause at this spot to take in the long-range views and rest before continuing upward.
Two parking areas at the trailhead offer access from Newfound Gap Road, with early arrival recommended on weekends and during peak season. The path climbs steadily, with some steel cables along steeper sections to help hikers ascend.
From Inspiration Point roughly halfway along, hikers see the Eye of the Needle, a natural opening in Little Duck Hawk Ridge across the valley. This narrow gap in the rock stands out against the sky and is a popular photograph subject for visitors.
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