| name | image | Average flow (m³/s) | basin (m²) | Height (m) | origin location | mouth location | Length (m) | latitude (°) | longitude (°) | canyon | Map |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Euphrates |  | 818 | 765,831,020,544 | Shatt al-Arab | 2,800,000 | 39.7283000000 | 40.2569000000 | Map | |||
| Tigris |  | 1 | 375,000,006,656 | Lake Hazar | Shatt al-Arab | 1,850,000 | 38.5032000000 | 39.5058000000 | Map | ||
| Karun |  | 575 | 65,230,000,128 | Shatt al-Arab | 720,000 | 30.4275000000 | 48.1653000000 | Map |