Watersheds
by Julen Hervías González de Ubieta
1. Atlantic watershed
1.1. The atlantic watershed carries water from the rivers which flow into the atlantic ocean. The most important rivers in this watershed are: Duero, Guadalquivir, Guadalete, Miño, Tinto, Odiel, Tajo and Ulla
2. Cantabric watershed
2.1. The cantabric watershed carries water from the rivers that flow into the cantabric sea. The most important rivers in this watershed are: Nervion, Eo, Ibaizabal, Bidasoa, Saja, Navia, Besaya and Nalon
3. Mediterranean watershed
3.1. The mediterranean watershed carries water from the rivers that flow into the mediterranean sea. The most important rivers on this watershed are: Ebro, Guadalhorce, Segura, Mijares, Jucar, Lobregat, Ter, Turia
