Sistema Dos Ojos
The surveyed extent of the cave system is 82 kilometers (51 mi)[1] and there are 28 known sinkhole entrances, which are locally called cenotes.Dos Ojos is an anchialine cave system with connections to naturally intruding marine water and tidal influence in the cenotes.[4] The name Dos Ojos refers to two neighbouring cenotes that connect into a very large cavern zone shared between the two.Water temperature is 25 °C or 77 °F throughout the year, and the maximum depth near the Dos Ojos cenotes is approximately 10 meters (33 ft).The Dos Ojos Cenotes are a popular snorkeling and cavern diving site receiving typically a hundred or more tourists per day.