Stura di LanzoStura di Lanzo is a long river in north-western Italy, in the Metropolitan City of Turin. It is formed from several tributaries near Lanzo Torinese. It flows into the river Po in Turin.ToponymyThe name Stura has a Celtic origin: stur, which means "to fall".Main tributaries Rio Bonello, Rio Uppia, Rio dell'Uia, Stura di Viù, Tesso, Ceronda.