The Devoll is a river in southern Albania. It is one of the source rivers of Seman. It is 196 km long and its drainage basin is 3,130 km². Its average discharge is 49.5 m³/s. Its source is in the southwestern corner of the Devoll municipality, close to the Greek border. It flows initially northeast, through Miras, then north through Bilisht, and northwest through Prog…The Devoll is a river in southern Albania. It is one of the source rivers of Seman. It is 196 km long and its drainage basin is 3,130 km². Its average discharge is 49.5 m³/s. Its source is in the southwestern corner of the Devoll municipality, close to the Greek border. It flows initially northeast, through Miras, then north through Bilisht, and northwest through Progër, Pojan, Maliq, Moglicë, Kodovjat, Gramsh, where it is stowed in a big lake and Gostimë, where it turns south. It joins the Osum near Kuçovë, to form the Seman. The Seman opens into a small delta south of the Karavasta lagoon in the Adriatic Sea.