Tuckaleechee Caverns: the Tallest Underground Waterfall in the U.S.

Discover the Hidden Wonders of Tuckaleechee Caverns
Nestled beneath the foothills of the Great Smoky Mountains in Townsend, Tennessee, Tuckaleechee Caverns offer a truly memorable underground experience for visitors of all ages. This remarkable natural attraction features a mile-long guided tour through a series of ancient caverns believed to have formed over 30 million years ago.
Often described as otherworldly, the caverns reveal massive chambers, stunning mineral formations, and the tallest subterranean waterfall in the United States. It's an experience that many compare to stepping into a different world entirely.
A Unique Geological Journey
Tuckaleechee Caverns is a family-owned and operated destination that has earned the prestigious five-star rating from AAA. The site remains geologically active, with mineral formations continuing to evolve over time.
Visitors are led along lighted pathways through approximately one mile of the cavern system. Knowledgeable guides share fascinating insights about the natural history and geology of the caverns, creating an engaging and educational experience for families and curious travelers alike. Be sure to have your camera ready—numerous photo-worthy sights await.
The Power of Water
Water has long shaped the landscape of these caverns. Once covered by inland seas, the area now features an underground river that winds through the cave system. The dramatic stalactites and stalagmites are slowly formed as water drips from the ceilings and deposits minerals over millennia.
One of the most awe-inspiring stops on the tour is the Big Room—an expansive chamber larger than a football field with a ceiling nearly 150 feet high. This is the largest publicly accessible underground room east of the Mississippi and is filled with towering rock formations and natural sculptures.
Another highlight is the breathtaking underground waterfall, which drops 210 feet in two cascading tiers. Visitors are often struck by the crystal clarity of the water, and some even bring containers to take a bit of it home.
A Role in Global Monitoring
Beyond its appeal as a tourist destination, Tuckaleechee Caverns plays a vital role in global security. Due to the unique characteristics of the surrounding bedrock, the site is equipped with seismic monitoring equipment managed by the U.S. Department of Defense. These sensors can detect seismic activity—including earthquakes and nuclear detonations—on a global scale.
Additional Amenities
After completing the tour, guests can browse the gift shop and enjoy a sweet treat—locally famous homemade fudge that's become a favorite among returning visitors.
Planning Your Visit
To fully enjoy the tour, visitors should be comfortable walking over a mile and climbing approximately 400 steps. The interior of the caverns maintains a constant temperature of about 58°F, so layered clothing and sturdy footwear are recommended.
- Tour Duration: Approximately 60 to 90 minutes
- No Reservation Required: Tours operate on a first-come, first-served basis
- Operating Season: Open annually from March 15 to November 15
- Hours:
- March & November: 10:00 a.m. – 5:00 p.m.
- April through October: 10:00 a.m. – 6:00 p.m.
Address: 825 Cavern Road, Townsend, TN 37882
Directions: From Gatlinburg, follow Highway 321 to Old Tuckaleechee Road, then proceed via Old Cades Cove Road, Dry Valley Road, and Cavern Road.
Phone: (865) 448-2274
Website: Visit the official Tuckaleechee Caverns website for additional details.