Rio Secreto opened simple Mexican farmer. He found a small hollow in the ground and found it as one of the cenotes – limestone cave, which in this area very much. However, pit discovered it was not a simple karst cave, a huge underground natural tunnel, through which runs an incredibly beautiful river.

For tourists in Rio Secreto was opened in 2007. The new attraction is located just ten kilometers North of Playa del Carmen on the Yucatan Peninsula is so popular among tourists. "The secret river" - as translated this magical place with the Spanish language. At a distance of fifteen kilometers of underground tunnels, caves and the blue underground river flows. Tourists can only part of this amazing place is about 600 meters. Cleanest water of the Rio Secreto used in the preparation of cosmetics.

Before you go inside, take a shower, put on a wet suit, special shoes and a helmet. During the tour the tourists are escorted by professional divers. During the journey through the Secret river, you will see many stalactites and stalagmites of various forms, the guide will tell about the history of the discovery of one of the world's largest system of natural caves.

Tour in Rio Secreto, usually combined with a visit to the ancient Mayan city Tulum. It's quite a long walk – about 8 hours, if you only go to the caves – just over three hours. The entrance here is open every day. Tours organized for groups of no more than 10 people. Pregnant women and children up to 4 years old is strictly prohibited.