大烟山国家公园-明矾洞步道

The Alum Cave Trail (also referred to as Alum Cave Bluff Trail) is an American hiking trail in the Great Smoky Mountains National Park, in Sevier County, Tennessee. The trail ascends Mount Le Conte, the sixth highest mountain east of the Mississippi River, and passes by many notable landmarks, such as Arch Rock, Inspiration Point, the Duckhawk Peaks, and Cliff Top, before merging with Rainbow Falls Trail near the summit.

Mount Le Conte (or LeConte) is a mountain in Sevier County, Tennessee located in the Great Smoky Mountains National Park. At 6,593 ft (2,010 m) it is the third highest peak in the national park, behind Clingmans Dome (6,643 ft, 2,024 m) and Mount Guyot (6,621 ft, 2,018 m). It is also the highest peak that is completely within Tennessee.