Lookout Mountain Caverns
From Underfoot
Q6675496
Lookout Mountain Caverns is the second-longest known cave in Hamilton County, Tennessee. Its mapped length of 2.481 miles places it at 361st on the United States Long Caves List. Unofficially, anecdotal reports of cave expeditions have exceed 12 miles with legends exceeding 82 miles. The cave is closed and public access is forbidden.