Sarantaporos (Epirus)

The Sarantaporos (, ) is a river in northwestern Greece and southern Albania. It is a right tributary of the river Aoös ("Vjosë"), which flows into the Adriatic Sea. Its length is , of which the final approx. form the border between Greece and Albania. Its source is between the mountain ranges Gramos and Voio, in the Kastoria regional unit. It flows through the municipal units Arrenes, Mastorochoria and Konitsa in Greece, and the municipalities Qendër Leskovik and Çarshovë in Albania. Its basin area is , and its year-average discharge is per second.