An enclosed cenote inside a cave in Yunkú, with a masonry staircase of about 20 m, a green pool measuring approximately 30 by 30 m and a maximum depth of 20 m.
The cenote bears a Spanish name from the Christian tradition.
Also known as Cenote Yunkú
Wear a life jacket, avoid sunscreen and take particular care on the stairs. Confirm current access and facilities.
San Marcos is in the municipality of Sacalum. Use the map to understand the area and open directions to navigate.
Public iNaturalist observations within a 1 km radius.
The number of records also reflects observation effort. These data do not by themselves represent a complete inventory, water quality or the ecological health of the cenote.
How we interpret these data →
Research GradeCathartes aura
Research GradeTrachemys venusta
Research GradeAcanthocereus tetragonus
Research GradeArtibeus jamaicensis
Community data obtained from iNaturalist. Identifications may change with new community contributions. Sensitive locations are shown approximately.
Last updated: August 3, 2026
Wear a life jacket, avoid sunscreen and take particular care on the stairs. Confirm current access and facilities.
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