How deep is the Devil's Den?
How deep is the Devil's Den? The cave expands below water level (a shape described as an inverted mushroom) to up to 200 feet (61 m) across. The maximum depth of the cave reaches 54 ft/16.5 m with the surface diameter being 120 ft.
How deep is the water at Devils Den?
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. Also, don't worry about dangerous wildlife in the water.