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Caves are found around the world. The largest form in areas of karst landforms whose rocks dissolve easily. Preferable conditions for karst cave formation are adequate precipitation, enough plants and animals to produce ample carbon dioxide, and a landscape of gentle hills which drains slowly.
This list of longest caves by country includes the longest-known natural cave per country. To be listed, the caves must have been surveyed to cave surveying standards , and the results published in reliable sources.
This is a list of caves of the world that have articles or that are properly cited. They are sorted by continent and then country. They are sorted by continent and then country. Caves which are in overseas territories on a different continent than the home country are sorted by the territory's continent and name.
Sof Omar Caves is the longest cave in Ethiopia at 15.1 kilometres (9.4 mi) long. When surveyed in 1972, it was the longest cave in Africa. When surveyed in 1972, it was the longest cave in Africa. Since then explorations in Madagascar ( Marosakabe - 113km) and Algeria (Rhar Bou Ma’za - the Tafna River Cave 18.4 km) have overtaken it.
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. The cave is named for the canyon through which it is entered, which is named ...
Mammoth Cave National Park, also a World Heritage Site and International Biosphere Reserve. Longest cave in the world. 2. Jewel Cave. 353.69 km (219.8 mi) [4][5] near Custer, South Dakota. 43°43′46″N 103°49′46″W / 43.72944°N 103.82944°W / 43.72944; -103.82944 (Jewel Cave) Jewel Cave National Monument. 3.
Kazumura Cave is a lava tube and has been surveyed at 40.7 miles (65.5 km) long and 3,614 feet (1,102 m) deep making it the longest and deepest lava tube in the world. [note 1][2][3] The cave is located on the island of Hawaiʻi on the eastern slope of Kīlauea. Kīlauea is the most recently active volcano on the Big Island.
Of the ten longest and deepest caves in India, the first nine are in Meghalaya, while the tenth is in Mizoram. The longest is Krem Liat Prah in the Jaintia Hills, which is 30,957 m (101,600 ft) long. [1] [2] [3] The word "Krem" means cave in the local Khasi language. [4] The exploration of the Caves of Meghalaya is currently undertaken for both ...