Sistema Sac Actun

Sistema Sac Actun is an underwater cave system situated along the Caribbean coast of the Yucatán Peninsula with passages to the north and west of the village of Tulum. Explored lengths of the underwater system are in excess of 198 miles, making it one of the longest underwater cave systems in the world.

Geography

The Sistema Sac Actun is located in the northeastern part of the state of Quintana Roo, Mexico. The system is formed by a series of water-filled caves which are connected to the Caribbean Sea. The system's main water source is the Caribbean Sea, and its outlets are located along the coast.

Exploration

The exploration of Sistema Sac Actun began in the late 1980s by cave divers from around the world. The system's complex network of caves and underwater passages have made it a popular destination for cave diving. The exploration of the system is ongoing, with new passages and connections being discovered regularly.

Biodiversity

The Sistema Sac Actun is home to a diverse range of aquatic life. The system's unique environment has allowed for the evolution of a number of species that are not found anywhere else in the world. These include a variety of fish, crustaceans, and other invertebrates.

Archaeological Significance

The Sistema Sac Actun is also of significant archaeological interest. The system has been found to contain a number of prehistoric remains, including the bones of early humans and extinct animals. These finds have provided valuable insights into the history of human habitation in the region.

See Also

• Cave Diving
• Underwater Archaeology
• Yucatán Peninsula