Limestone cavern in the Smoky Mountains with stalactites, stalagmites, streams, large rooms and an underground waterfall. Visits are by guided group tour on foot, with many stairs, low ceilings in places and a stop with the lights turned off.
Highlights
- Underground waterfall
- Big Room lights-out moment
- Seismograph in the bedrock
Good to know
- Tour lasts about 1 to 1.5 hours
- About 410 steps, steep and slick
- Cool inside, bring a light jacket
