Longest underwater cave system

Last updated: January 16, 2018 at 20:09 pm

347 km* (216 mi.) | Sac Actun cave system — The National Institute of Anthropology and History (INAH) announced the discovery of a connection between the Sac Actun system (263 km / 163 mi.) and the Dos Ojos system (84 km / 52 mi.) in Tulum, Quintana Roo, on January 10, 2018. The mission of the multidisciplinary team of archaeologists, biologists, and cave divers from the Great Mayan Aquifer (GAM) project is to explore, document and map the subterranean network of water deposits on the Yucatán Peninsula. The team has also discovered over 100 artifacts, including the remains of extinct fauna and Mayan graves. The average depth of the cave system is 20 m (66 ft) with a maximum reported depth of 100 m (328 ft) .


* Underwater passages as of January 10, 2018
SOURCE:
Instituto Nacional de Antropología e Historia (INAH)

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