| name | image | Average flow (m³/s) | basin (m²) | Height (m) | origin location | mouth location | Length (m) | latitude (°) | longitude (°) | canyon | Map |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Diyala River |  | 130 | 32,600,000,512 | 2,000 | Tigris | 445,000 | 34.2895000000 | 45.1550000000 | Map | ||
| Alwand River | Diyala river | 150,000 | 34.5354100000 | 45.9942600000 | Map | ||||||
| Dasht River |  | Arabian Sea | 430,000 | 25.1700000000 | 61.6738888889 | Map | |||||
| Euphrates |  | 818 | 765,831,020,544 | Shatt al-Arab | 2,800,000 | 39.7283000000 | 40.2569000000 | Map | |||
| Great Zab |  | 808 | 40,299,999,232 | Tigris | 400,000 | 35.9911000000 | 43.3436000000 | Map |