Diyala River

Diyala river
Location
CountryIran, Iraq
Physical characteristics
Source 
 • locationNorth of Iraq/Western Iran
Mouth 
 • location
Tigris River
Length445 km (277 mi)
Basin size32,600 km2 (12,600 sq mi)
Discharge 
 • average164 m3/s (5,800 cu ft/s)
Basin features
Tributaries 
 • leftSirwan
 • rightTanjero

The Diyala (Arabic: نهر ديالى Nahr Diyālā; Kurdish: Sîrwan; Farsi: دیاله Diyâlah, سيروان Sīrvān) is a river and tributary of the Tigris. It is formed by the confluence of the Sirwan and Tanjaro rivers in Darbandikhan Dam in the Sulaymaniyah Governorate of Northern Iraq. It covers a total distance of 445 km (277 mi).