Ombrone

The Ombrone (Latin: Umbro) is a 160-kilometre (99 mi) long river in Tuscany, central Italy.

Ombrone
Confluence of the Arbia (left) and Ombrone (right) south of Buonconvento.
Location
Country	Italy
Physical characteristics
Source
• location	San Gusmé, Monti del Chianti
• elevation	about 420 m (1,380 ft)
Mouth
• location	Tyrrhenian Sea
Length	160 km (99 mi)
Basin size	3,494 km2 (1,349 sq mi)
Discharge
• average	32 m3/s (1,100 cu ft/s) at the mouth

The Ombrone's source is near Castelnuovo Berardenga, on the south-eastern side of the Monti del Chianti. After a twisting route, it receives the waters of the tributaries Arbia, Merse and Orcia before reaching the plain near Istia d'Ombrone.

It subsequently passes near the city of Grosseto, before flowing into the Tyrrhenian Sea.