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Sistema Sac Actun

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Sistema Sac Actun

Cave

Sistema Sac Actun (from Spanish and Yucatec Maya meaning "White Cave System") is an underwater cave system situated along the Caribbean coast of the Yucatán Peninsula with passages to the north and west of the village of Tulum. Exploration started from Gran Cenote 5 kilometers (3.1 mi) west of Tulum. The whole of the explored cave system lies within the Municipality of Tulum (state of Quintana Roo).In early 2007, the underwater cave Sistema Nohoch Nah Chich was connected into and subsumed into Sac Actun making it the longest surveyed underwater cave system in the world for some months. Sac Actun measures 230.8 kilometers (143.4 mi) (after connecting Sistema Aktun Hu with 34 kilometers (21 mi) in January 2011) and is second surpassed by Sistema Ox Bel Ha at 256.7 kilometers (159.5 mi). These two cave systems since early 2007 have been frequently exchanging the title as the longest underwater cave system in the world. Including connected dry caves and Sistema Dos Ojos makes Sistema Sac Actun with 319 kilometers (198 mi) the longest cave in Mexico and the second longest worldwide.