With a total length of 347.7 km (259 as underground river) and with a maximum depth of 101.2 m, the Sac Actun system is positioned as the longest underground river and the second largest cave system in the world.
In Mayan culture, the underworld was considered the third level of the Mayan universe after heaven and earth. A place where the supernatural reigned, where gods and deities lived, where good and evil coexisted, and also the place from where men came forth.
The Yucatan Peninsula has a limestone soil formed from the remains of highly erodible marine organisms. Which is why there are so many underground rivers and caves, most of them connected with natural entrances known as cenotes, natural sites of great mystical importance for the Mayan culture.
The Sac Actun system has 111 entrances of cenotes, which is a tourist attraction. However, it is important to highlight that these environments are very fragile and therefore it is important to care for entire ecosystem in which they are located. Alltournative has the corresponding permits, in accordance with the regulations in force. To access the main entrances to the cenotes of this system, resulting in an extraordinary and sustainable experience.
AllTourNative, a company responsible with the environment, cares for and helps protect many of the areas around the Sac Actun system. With all the programs it has supported since 1999, committed to ecological preservation.