Sistema Ox Bel Ha
|Sistema Ox Bel Ha|
|Location||Quintana Roo, Mexico|
|Depth||34.7 m (114 ft)|
|Length||269.77 km (167.63 mi)|
|Difficulty||Advanced cave diving|
|Cave survey||Grupo de Exploración Ox Bel Ha|
Sistema Ox Bel Ha (from Mayan meaning "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 and ranks fourth including dry caves. As of June 2016 the surveyed length is 269.8 kilometers (167.6 mi) of underwater passages.
- "List of Long Underwater Caves in Quintana Roo Mexico". Quintana Roo Speleological Survey. National Speleological Society (NSS). February 11, 2014. Retrieved February 11, 2014.
- Bob Gulden (September 16, 2013). "Worlds longest caves". Geo2 Committee on Long and Deep Caves. NSS. Retrieved October 4, 2013.
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