The Bidente-Ronco is a river in the Emilia-Romagna region of Italy. The first portion of the river is called the Bidente. Once the river passes under the Ponte dei Veneziani (Bridge of the Venetians) in Meldola, the river is called the Ronco. The source of the river is near the border between the province of Forlì-Cesena, the province of Arezzo, and the province of Florence in the Foreste Casentinesi, Monte Falterona, Campigna National Park.