Search results
Results From The WOW.Com Content Network
Cosquer Cave (, also) is located in the Calanque de Morgiou in Marseille, France, near Cap Morgiou. The entrance to the cave is located 37 m (121 ft) underwater, due to the Holocene sea level rise. The cave contains various prehistoric rock art engravings. Its submarine entrance was discovered in 1985 by Henri Cosquer, a professional diver.
Hranice Abyss. Hranice Abyss (Czech: Hranická propast) is the deepest flooded pit cave in the world. It is a karst sinkhole near the town of Hranice, Czech Republic.The greatest confirmed depth is 519.5 m (1,704 ft), of which 450 m (1,476 ft) is underwater.
Exploration is complicated by the cold water and narrow passages of the underwater cave system, and divers can get lost in its side passages. [6] [3] The connection between Pluragrotta and Steinugleflåget caves remained undiscovered for decades, in part because of the difficult access route to the dry cave, Steinugleflåget. Reaching its head ...
The human-made lake was constructed in the ’60s, but its history goes back much further.
Hang Sơn Đoòng - largest known cave by volume and contains the largest known cave passage. [102] Kazumura Cave - longest and deepest surveyed lava tube. [4] Mammoth Cave - greatest total length of surveyed passage. [3] Sistema Ox Bel Ha - longest underwater cave and second longest surveyed cave. [103] Veryovkina Cave - deepest known cave, at ...
Boesmansgat (or Bushmansgat), also known in English as "Bushman's Hole", is a deep submerged freshwater cave (or sinkhole) in the Northern Cape province of South Africa, which has been dived to a depth of 282.6 metres (927 ft). Boesmansgat was believed to have first been explored by amateur diver Mike Rathbourne, in 1977.
Great Saltpetre Cave; Horse Cave also known as "Hidden River Cave" Lost River Cave; Mammoth Cave; Martin Ridge Cave System; Oligo-Nunk Cave System; Maryland
The cave system stretches over 5.1 kilometres (3.2 mi) with around 4.8 kilometres (3.0 mi) over the overall length being under water. [1] This makes it one of the longest underwater caves and the largest underwater gypsum cave in the world. [2] [3] It contains the longest siphon in the former Soviet Union (935 meters). [4]