🌊 Cenotes: Sistema Sac Actun (Gran Cenote)
Underwater cave system in the Yucatán Peninsula
📋 Fast Facts
- Location: Yucatán Peninsula, Mexico, north and west of Tulum
- Type: Underwater cave system (cenote network)
- Status: One of the world's longest known underwater cave systems
- Geological significance: Connected to Sistema Dos Ojos since 2008
Sistema Sac Actun is an extensive underwater cave system located along the Caribbean coast of the Yucatán Peninsula. The network extends north and west of Tulum and comprises a series of flooded limestone passages formed over millennia. In 2008, the connection between Sistema Sac Actun and Sistema Dos Ojos was established, creating the longest known underwater cave system in the world at that time ...