Sistema Ox Bel Ha
|Sistema Ox Bel Ha|
|Location||Quintana Roo, Mexico|
|Depth||57.3 m (188 ft)|
|Length||270.17 km (167.88 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 May 2017 the surveyed length is 270.2 kilometers (167.9 mi) of underwater passages.
- "List of Long Underwater Caves in Quintana Roo Mexico". Quintana Roo Speleological Survey. National Speleological Society (NSS). May 1, 2017. Retrieved May 26, 2017.
- Bob Gulden (November 28, 2016). "Worlds longest caves". Geo2 Committee on Long and Deep Caves. NSS. Retrieved May 26, 2017.
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