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  2. List of deepest caves - Wikipedia

    en.wikipedia.org/wiki/List_of_deepest_caves

    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.

  3. List of deepest mines - Wikipedia

    en.wikipedia.org/wiki/List_of_deepest_mines

    This list of deepest mines includes operational and non-operational mines that are at least 2,224 m (7,297 ft), which is the depth of Krubera Cave, the deepest known natural cave in the world. The depth measurements in this list represent the difference in elevation from the entrance of the mine to the deepest excavated point.

  4. Marble Arch Caves - Wikipedia

    en.wikipedia.org/wiki/Marble_Arch_Caves

    Drawing by É. A. Martel, depicting the first exploration of Marble Arch Caves in 1895. The Marble Arch, Cladagh River resurgence and three large dolines on the plateau above the end of Cladagh Glen were all known well before underground exploration began; in fact the arch was a popular tourist attraction in the 19th century. [7]

  5. Lamprechtsofen - Wikipedia

    en.wikipedia.org/wiki/Lamprechtsofen

    With a depth of 1,735 m (5,692 ft), it is one of the deepest caves in the world. Before the discovery of the Krubera Cave in Georgia, it was the deepest-known cave in the world. Lamprechtsofen is located 2 km (1.2 mi) northwest of Weißbach bei Lofer , Austria, in the Leogang Mountains. [1]

  6. 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 ...

  7. Caving - Wikipedia

    en.wikipedia.org/wiki/Caving

    In contrast, speleology is the scientific study of caves and the cave environment. [1] The challenges involved in caving vary according to the cave being visited; in addition to the total absence of light beyond the entrance, negotiating pitches, squeezes, [2] and water hazards can be difficult. [3]

  8. Pluragrotta - Wikipedia

    en.wikipedia.org/wiki/Pluragrotta

    A popular cave diving destination, Pluragrotta attracts more divers than any other cave in Scandinavia. Visibility in the cave waters is high. The cave's passages were formed by the flow of the Plura river over limestone, and the cave system includes marble formations. A number of species have been identified in the cave ecosystem.

  9. Sistema Cheve - Wikipedia

    en.wikipedia.org/wiki/Sistema_Cheve

    Current expeditions are underway to find a connection between J2 and Cheve Cave, which will produce a cave system more than 2 kilometres (6,600 ft) in depth. The integration of the entire system will produce a 2,597 metres (8,520 ft) deep cave and would represent the deepest cave in the world.