Chiascio

General data
- Water type: River
- Progression: Tiber -> Tyrrhenian sea -> Mediterranean Sea -> Atlantic Ocean -> Planet Earth
- Climates: Subtropical
- Continents: Europe
- Countries: Italy
Description
The Chiascio is a river of Umbria, central Italy. It is a left tributary of the Tiber. It is 95 km long, and its drainage basin covers 1962 km2. Its largest tributary is the Topino, which covers 60% of its drainage basin.