Ruby Falls: The Underground Waterfall Wonder of Tennessee

Looking for a truly one-of-a-kind waterfall experience in the Southeast? You won’t find anything quite like Ruby Falls, a stunning 145-foot waterfall located deep inside Lookout Mountain near Chattanooga, Tennessee. It’s one of the most popular natural attractions in the state, and for good reason—it’s the tallest and deepest underground waterfall open to the public in the U.S.

Whether you're traveling with kids, planning a road trip through Tennessee, or just chasing unique experiences, Ruby Falls is a must-see stop that blends geology, history, and natural beauty.

What Makes Ruby Falls So Special?

💧 A Waterfall in a Cave

Ruby Falls isn’t your typical hike-in waterfall—it’s located 1,120 feet beneath the surface of Lookout Mountain. To reach it, you’ll take an elevator down into a vast limestone cave system, then walk about half a mile on a guided tour through narrow passages and stunning underground formations.

At the end of the tour, you’re rewarded with a view of Ruby Falls cascading from the cave ceiling, dramatically lit and roaring in the darkness. It’s a surreal sight you won’t soon forget.

🕯️ Historic Discovery

The falls were discovered in 1928 by Leo Lambert, who named them after his wife, Ruby. Since then, the site has welcomed millions of visitors and is considered one of Tennessee’s top tourist attractions.

Ruby Falls Experience at a Glance

• Location: 1720 Scenic Hwy, Chattanooga, TN 37409

• Hours: Open daily (hours vary by season)

• Admission: Paid entry required (advance tickets recommended)

• Accessibility: Tour includes walking on uneven surfaces and stairs

• Tour Length: ~1 hour (round-trip through the cave)

📌 Tip: Book early, especially on weekends or holidays—tours fill up quickly!

Other Things to Do on Lookout Mountain

• Rock City – A mountaintop wonder with panoramic views and winding gardens

• Incline Railway – One of the steepest passenger railways in the world

• Point Park – Civil War history and stunning overlooks of the Tennessee River

Tips for Visiting Ruby Falls

• Wear comfortable, non-slip shoes—the cave path can be wet

• Bring a light jacket—it’s a consistent 60°F underground

• Photography is allowed, but tripods and large gear are not

• Visit early or late in the day for fewer crowds

Plan Your Visit to Ruby Falls

If you’re looking for unique things to do in Tennessee or a family-friendly adventure that’s part science, part nature, and part wonder, Ruby Falls belongs on your list. It’s an unforgettable detour off I-24 and a great way to experience one of the South’s most remarkable natural landmarks.