Sistema Sac Actun
From Underfoot
Q2290344
Sistema Sac Actun 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, it is the second longest underwater cave system in the world, only surpassed by Sistema Ox Bel Ha.
Wikidata
length: 386.122 kilometre, length: 378.56 kilometre, 
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Location: 20.2466, -87.4641, KML, Cluster Map, Maps,
6 places
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Cenote Calavera ⓘ
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Cenote Nohoch Nah Chich ⓘ
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Sistema Dos Ojos ⓘ
geographical object -
Sistema Nohoch Nah Chich ⓘ
flooded cave system in Mexico -
Sistema Ox Bel Ha ⓘ
cave -
Sistema Sac Actun ⓘ
flooded cave system in the Yucatan Peninsula, Mexico
| Type | Subtype | Date | Description | Notes | Source |
|---|---|---|---|---|---|
| site | cave | Cenote Calavera | cave | Wikidata | |
| site | cave | Cenote Nohoch Nah Chich | cave | Wikidata | |
| site | cave | Sistema Dos Ojos | cave | Wikidata | |
| site | cave | Sistema Nohoch Nah Chich | cave | Wikidata | |
| site | cave | Sistema Ox Bel Ha | cave | Wikidata | |
| site | cave | Sistema Sac Actun | subterranean river, cave | Wikidata | |