Rumbling Falls Cave is a wild cave system within Fall Creek Falls State Park. [1]
The cave contains the Rumble Room, the second largest cave chamber in the United States. [1] The room has an area of around 26,400 square meters, and is 110 meters high.
Rumbling Falls is the 49th longest cave in the United States, with a total known length of 38.7 kilometers. [2] Permits are required for visitation, and are available through Tennessee State Parks.