The Sarantaporos (Greek: Σαραντάπορος, Albanian: Sarandapor) 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 50 km (31 mi), of which the final approx. 10 km (6.2 mi) form the border between Greece and Albania. Its source is between the mountain ranges Gramos and Voio, in the Kastoria regional unit. The Sarantaporos flows through the municipal units Arrenes, Mastorochoria and Konitsa in Greece, and the municipalities Qendër Leskovik and Çarshovë in Albania. Its basin area is 870 km² (340 sq mi), and its year-average discharge is 6.93 m³ (245 cu ft) per second.^[1]

• List of rivers of Albania
• List of rivers of Greece