| Sîrwan (Continues in Iraq as Diyala river) | |
|---|---|
 Sirwin River | |
| Location | |
| Country | Iran/Iraq |
| Physical characteristics | |
| Source | |
| • location | Western Iran |
| Mouth | |
• location | Tigris River |
| Length | 445 km (277 mi) |
| Basin size | 32,600 km2 (12,600 sq mi)[1] |
The Sirwan (Kurdish: Sîrwan, Sorani Kurdish: سيروان, Arabic: نهر ديالى, Persian: سیروان) is a river and tributary of the Tigris that originates in Iran. The Sirwan (or Sirvan) then runs mainly through eastern Iraq. It covers a total distance of 445 km (277 mi).
- ^ Hussein, Haitham A. (June 2010). "Dependable Discharges of The Upper and Middle Diyala Basins". Journal of Engineering. 16 (2): 4960–4969. Retrieved 20 May 2013.