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  2. List of longest caves - Wikipedia

    en.wikipedia.org/wiki/List_of_longest_caves

    Mammoth Cave, the world's longest known cave system This list of longest caves includes caves in which the combined length of documented passageways exceeds 100 kilometres (62 mi). In some of these caves, passageways are still being discovered.

  3. List of longest caves in the United States - Wikipedia

    en.wikipedia.org/wiki/List_of_longest_caves_in...

    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 (> 50 km) of documented passageways. . Many passageways are still being discovered; this list is based on the latest verifiable

  4. Mammoth Cave National Park - Wikipedia

    en.wikipedia.org/wiki/Mammoth_Cave_National_Park

    Tourists inside the cave. The park's mission is stated in its foundation document: [7] The purpose of Mammoth Cave National Park is to preserve, protect, interpret, and study the internationally recognized biological and geologic features and processes associated with the longest known cave system in the world, the park’s diverse forested karst landscape, the Green and Nolin rivers, and ...

  5. List of longest cave by country - Wikipedia

    en.wikipedia.org/wiki/List_of_longest_cave_by...

    This list of longest caves by country includes the longest-known natural cave per country. To be listed, ... Hang Khe Ry cave system 18.900 km (11.7 mi) [1] [61

  6. Sistema Ox Bel Ha - Wikipedia

    en.wikipedia.org/wiki/Sistema_Ox_Bel_Ha

    'system', Yucatec Maya: ox bel ha, lit. 'Three Paths of Water'; short Ox Bel Ha) is a cave system in Quintana Roo, Mexico. It is the longest explored underwater cave in the world [2] and ranks second including dry caves. [3] As of January 2024 the surveyed length is 496.8 kilometers (308.7 mi) of underwater passages. [2]

  7. Sistema Huautla - Wikipedia

    en.wikipedia.org/wiki/Sistema_Huautla

    Sistema Huautla is the deepest cave in the Western Hemisphere and the ninth deepest cave in the world, tied in depth with the cave Hirlatzhöhle of Austria; it is listed as the twenty-ninth longest at about 62.2 miles of surveyed passages compared to Mammoth Cave in Kentucky, USA, the longest cave system in the world at 420+ miles. [2]

  8. Migovec System - Wikipedia

    en.wikipedia.org/wiki/Migovec_System

    The Migovec System (Slovene: Sistem Migovec) is a 43,009-metre-long (141,000 ft) and 972-metre-deep (3,190 ft) [1] Alpine cave system within Mount Tolmin Migovec (Tolminski Migovec) in the Municipality of Tolmin in northwestern Slovenia. [2] The mountain and the cave system are part of Triglav National Park.

  9. Kazumura Cave - Wikipedia

    en.wikipedia.org/wiki/Kazumura_Cave

    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 .