Research GradeTurkey Vulture
Cathartes aura
Facilities reported on site
- Parking
- Cash only
SacalumReport a change →
San Marcos
Also known as Cenote Yunkú
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.
To be confirmed
Wear a life jacket, avoid sunscreen and take particular care on the stairs. Confirm current access and facilities.
Information for your visit
- Reported price
- No data
- Reported hours
- To be confirmed
- Type
- Cavern
- Access
- To be confirmed
- Experience
- Quiet
- Reported crowding
- Low
iNaturalist · Community science
Biodiversity recorded near this cenote
Public iNaturalist observations within a 1 km radius.
- 148
- Observations
- 90
- Documented taxa
- 125
- Research Grade observations
Observations by group
- Birds · 43
- Plants · 24
- Reptiles · 7
- Insects · 6
- Amphibians · 3
- Fungi · 3
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 →Selected observations
Research GradeView original observation (opens iNaturalist on an external site)
Research GradeMesoamerican Slider
Trachemys venusta
Research GradeTriangle cactus
Acanthocereus tetragonus
Research GradeJamaican Fruit-eating Bat
Artibeus jamaicensis
Community data obtained from iNaturalist. Identifications may change with new community contributions. Sensitive locations are shown approximately.
Last updated: August 3, 2026
Location
Where it is
San Marcos is in the municipality of Sacalum. Use the map to understand the area and open directions to navigate.
- Lat
- 20.58443
- Lng
- -89.61426
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Status and context
Before visiting
Wear a life jacket, avoid sunscreen and take particular care on the stairs. Confirm current access and facilities.
Prepare your visit →Did you find incorrect information?
Send the correct information and, when possible, a photograph or link that helps us review it.
Report a change →A cenote is part of the Yucatán aquifer. Wear a life jacket where required, avoid polluting products and follow local guidance.
Read the responsible visit guide →