River: Toxa Upper boundary: Birth of the river Toxa (Silleda; 42.667732,-8.293218)  Lower boundary: Graba old bridge (Silleda;...

River: Ulla Upper boundary:  Parish of Salgueiros (Vila de Cruces; 42.824089,-8.272297)  Lower boundary: Remesquide recreational...

River: Záramo Upper boundary: Parish of Vigo (Boqueixón)  Lower boundary: Parish of Sergude (Boqueixón) km:...