Alto Cauca, formed by the Cauca River and its tributaries: Palo, Guengué, Negro, Teta, Desbaratado, and Quilichao, Mondomo, Ovejas, Pescador, Robles, Piedras, Sucio, Palacé, Cofre, Honda, Cajibío, Piendamó, Tunia, Molino, Timbío and Blanco.
Patia basin, consists of the Patia River and its tributary rivers Guachinoco, Ismita, Bojoleo, El Guaba, Sambingo and Mayo.