This underground river and cave system is among the longest in Mexico, measuring nearly 260 miles long with a maximum depth of 300 feet. There are 111 cenote entrances along this route ...

Divers especially love Casa Cenote because its underwater cave system extends directly into the Caribbean Sea. Calavera Cenote, which means “skull cenote” in Spanish, has three holes — one ...

Archaeologists had known that the Maya regarded both caves and cenotes as mouths that opened ... scrabbled down to its center on a scary rope system to bring up the water the ceremony required.

Others appreciated the tranquil atmosphere of the caves and the opportunity to learn more about the role of cenotes in Mayan culture. However, some were disappointed by the guides’ pushy tactics ...

Some cenotes acquired particular religious significance ... Near the beach resort of Tulum, the group found that the cave system known as Sac Actun, once measured at 263 km (163 miles ...

When the sea levels rose, water flooded back in, eroding the caves more. Eventually the roofs collapsed, leaving behind the large cenotes we can see today. While we now know how they came about ...

One of the park's most popular attractions is the cave. Experts estimate the entire system is 5 million years old. It features stalactites and stalagmites as well as cenotes with mirror-smooth waters.