Ruby Falls

Lookout Mountain Caverns and Cavern Castle
Ruby Falls' Visitors Center (Cavern Castle)
LocationScenic Hwy., Chattanooga, Tennessee
Coordinates35°1′9″N 85°20′22″W / 35.01917°N 85.33944°W / 35.01917; -85.33944
Area10 acres (4.0 ha)
Built1929
ArchitectLambert, Leo B.; Brown Contracting Co.
NRHP reference No.85002969
Added to NRHPNovember 26, 1985

Ruby Falls is an underground waterfall in Ruby Falls Cave, located at the end of an approximately 85 foot tall recessional gorge within Lookout Mountain, in Chattanooga, Tennessee, in the United States. The cave is commercialized with electric lights, paved foot trails, and an elevator for access. The waterfall may only be visited by guided tour.