How deep is Devil's Den spring?
How deep is Devil's Den spring? With a maximum depth of 54 feet, Devil's Den Spring offers ancient rock formations that date back 33 million years. Divers and snorkelers can enjoy fantastic views inside crystal clear water that remains a cool 72 degrees year-round.
What is the deepest cave with water in the world?
Hranice Abyss (Czech: Hranická propast) is the deepest flooded pit cave in the world. It is a karst sinkhole near the town of Hranice, Czech Republic. The greatest confirmed depth is 519.5 m (1,704 ft), of which 450 m (1,476 ft) is underwater.