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Download QR code; Print/export ... List of U.S.A Deep Caves This page was last edited on 28 ... List of caves in the United States.
This list of deepest caves includes the deepest known natural caves according to maximum surveyed depth as of 2024. The depth value is measured from the highest to the lowest accessible cave point. The depth value is measured from the highest to the lowest accessible cave point.
Tears of the Turtle Cave is located in the Bob Marshall Wilderness in western Montana and is currently the deepest known limestone cave in the United States since passing New Mexico's Lechuguilla cave in 2014. [4] As of August 2024, the cave is known to be 2,477 feet (755 m) deep [2] and 1.88 miles (3,030 m) long. [1]
The following is a list of the longest caves in the United States per length (over 50 kilometres or 30 miles) of documented passageways. Many passageways are still being discovered; this list is based on the latest verifiable data. [1] Some caves and cave systems are partially accessible to the general public.
Lechuguilla was also the deepest known cave in the continental United States at 1,604 feet (489 m) [2] until the exploration of Tears of the Turtle Cave in 2014. [5] Drawn by the cave's pristine condition and rare beauty, cavers come from around the world to explore and map its passages and geology. [4]
Ellison's features a number of underground vertical pitches including the two deepest pits in the contiguous United States: Fantastic (586 feet) and Incredible (440 feet). [2] These two pits lie on opposite sides of the cave. Nearby and parallel to Fantastic are Smokey I (500 feet), Smokey II (262 feet), and other deep pitches.
Hellhole is a large and deep pit cave in Germany Valley of eastern West Virginia. It is the seventh longest cave in the United States and is home to almost half of the world's population of Virginia big-eared bats. At 737 feet (225 m), Hellhole is the deepest of several caves in the Valley. [3]
The West Virginia Encyclopedia says that 44 miles (71 km) of the cave have been surveyed, making it the longest cave in the state, the 7th-longest cave in the United States, and the 35th-longest cave in the world. [7] In 2017, William B. White called it the 31st-longest cave in the world. [8]