|Basin countries||Umbria, Italy|
|Length||77 km (48 mi)|
|Source elevation||649 m (2,129 ft)|
|Avg. discharge||12 m3/s (420 cu ft/s)|
|Basin area||1,231 km2 (475 sq mi)|
Its spring is on the slopes of the Monte Pennino, at 649 metres (2,129 ft), in the territory of Nocera Umbra. Topino's affluents include the Menotre and the Clitunno River. After passing through the comuni of Valtopina, Foligno, Bevagna, Cannara and Bettona, it joins the Chiascio before flowing into the Tiber.
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