Sistema Sac Actun
Flooded cave system in the Yucatan Peninsula, Mexico / From Wikipedia, the free encyclopedia
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Sistema Sac Actun (Yucatec Maya: sak aktun, lit. 'white cave', Spanish: sistema, lit. 'system') is an underwater cave system situated along the Caribbean coast of the Yucatán Peninsula with passages to the north and west of the city of Tulum. Discovery of a connection to Sistema Dos Ojos in 2018 made it the longest known underwater cave system. As of January 2023[update], it is the second longest underwater cave system in the world, only surpassed by Sistema Ox Bel Ha.
Quick Facts Location, Coordinates ...
Sistema Sac Actun | |
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Location | Tulum Municipality, Quintana Roo, Mexico |
Coordinates | 20°14′47.6″N 87°27′50.8″W |
Depth | 119.2 meters (391 ft)[1] |
Length | Underwater: 378.56 km (235.23 mi)[1] Total: 386.122 km (239.925 mi)[2] |
Discovery | November 26, 1987 |
Geology | Limestone |
Entrances | 228 Cenotes[1] |
Difficulty | Advanced cave diving |
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The remains of a mastodon and a human female that might be the oldest evidence of human habitation in the Americas have been found in the cave.