Cenote Suytun and the Valladolid cenotes: the light beam, and the two beside it

Suytun is a cave rather than a swimming hole. You descend into a closed chamber where a circular stone platform reaches out over still, shallow water, and around midday a single shaft of light falls through the opening in the roof directly onto it. It is one of the most photographed places in the Yucatán, and knowing that in advance is what makes the visit work: there is a queue for the platform, and the reward is a few seconds in the light.

The second cenote on the standard itinerary is the counterweight, open or semi-open, warmer and made for swimming rather than photographs. Between the two you get both kinds of cenote in one day, which is the argument for the combined tour.

Chichén Itzá occupies the first part of the day, with a guide through the main plazas: El Castillo, the Great Ball Court and the Sacred Cenote. It is the largest excavated Maya city in the northern Yucatán and the reason most of these itineraries exist.

Valladolid closes the day, a colonial town of painted facades and a sixteenth-century convent, with time for lunch and a walk before the drive back to the coast.

From the Riviera Maya, Suytun makes most sense either as part of a Chichén Itzá day or as a reason to stay a night in Valladolid. The ruins are 40 minutes west of the town, so a night there converts two long drives into one, and puts you at both sites early.

Driving yourself, Suytun is signposted a few kilometres outside Valladolid and entry is paid at the gate. If you want the beam, aim for the middle of the day rather than the start of it, which is the reverse of the usual advice for cenotes.

Valladolid sits on the same limestone shelf as the rest of the peninsula, and the town is ringed by cenotes because it sits near the inner edge of the Chicxulub impact crater, where the rock fractured most heavily. That fracture ring concentrates sinkholes in an arc across northern Yucatán, which is why three good cenotes are within half an hour of one square.

Suytun's chamber is a collapsed cave rather than an open sinkhole, which is what produces the roof opening and the beam. The platform is modern, built for access, but the causeway follows the shape of the chamber floor.

For the Maya these were the region's water supply and its entrances to the underworld, and the archaeology bears that out at Chichén Itzá's Sacred Cenote 40 minutes away, where dredging recovered offerings and human remains. The cenotes around Valladolid were working wells rather than ritual sites, which is why they sit beside ranches and villages rather than temples.