Río Secreto, Underground river cave system in Playa del Carmen, Mexico.
Río Secreto is an underground cave system with a flowing river running through layers of limestone. The network consists of several interconnected chambers with pools, passages, and natural formations that reveal the interior of the rock.
The ancient Maya culture revered this location as sacred and used the caves for ceremonies and spiritual practices in distant times. This tradition connects the archaeology of the region to the natural water systems that have existed for millennia.
The cave system takes its name from the hidden river flows that wind through the limestone terrain. Today, visitors come to experience these concealed waterways and understand how such underground rivers have shaped the local landscape.
Visitors are equipped with wetsuits, helmets with lamps, and life jackets before entering the cave with experienced guides. Tours operate in small groups and follow established routes through the system.
The water in this system maintains a steady temperature throughout the year, making it comfortable for visitors regardless of outside conditions. This stable environment results from the insulating effect of the thick limestone layers above.
GPS coordinates: 20.58894,-87.13520
Latest update: December 6, 2025 17:41
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