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At 150.4 miles (242.0 km), Lechuguilla Cave is the eighth-longest explored cave in the world [1] and the second deepest (1,604 feet or 489 meters) in the continental United States. [2] It is most famous for its unusual geology , rare formations , and pristine condition.
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 ...
Ellison's Cave is a pit cave located in Walker County, on Pigeon Mountain in the Appalachian Plateaus of Northwest Georgia. It is the 12th deepest cave in the United States and features the deepest unobstructed pit in the continental US, named Fantastic Pit. The cave is over 12 miles (19.31 km) long and extends 1063 feet (324 m) vertically. [1]
List of U.S.A Deep Caves This page was last edited on 28 January 2025, at 16:23 (UTC). Text is available under the Creative Commons Attribution-ShareAlike 4.0 ...
Mammoth Cave, the longest known cave system in the world 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 ]
Cumberland Caverns. McMinnville, Tennessee. With 32 miles of caves and underground passageways, this national natural landmark is one of the longest caves in America. Besides being a site for ...
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]
Over 120 miles (190 km) of cave passage has been explored and mapped. [33] It has been mapped to a depth of 1,600 feet (490 m), making it the second deepest limestone cave in the U.S. [34] To protect the fragile environment, access is limited to permitted scientific expeditions only. [33]