Sistema Ox Bel Ha

Sistema Ox Bel Ha
Sistema Ox Bel Ha Location in Mexico
Location	Quintana Roo, Mexico
Coordinates	20°9′37″N 87°29′15″W / 20.16028°N 87.48750°W / 20.16028; -87.48750Coordinates: 20°9′37″N 87°29′15″W / 20.16028°N 87.48750°W / 20.16028; -87.48750
Depth	57.3 m (188 ft)
Length	270.17 km (167.88 mi)
Discovery	February 1996
Geology	Limestone
Entrances	143 Cenotes
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.