Research GradeFan Maidenhair Fern
Adiantum tenerum

Also known as Cenote Zací
A semi-open cenote in central Valladolid, a few blocks from the main square. It is approximately 45 m in diameter, with depths exceeding 100 m in its deepest areas.
Confirm on site whether swimming is permitted and check water conditions before entering.
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 GradeAdiantum tenerum
Research GradeNo common name available in English
Needs IDCerambycidae
Research GradeCtenosaura similis
Community data obtained from iNaturalist. Identifications may change with new community contributions. Sensitive locations are shown approximately.
Last updated: August 3, 2026
Zací is in the municipality of Valladolid. Use the map to understand the area and open directions to navigate.
Confirm on site whether swimming is permitted and check water conditions before entering.
Prepare your visit →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 →