| Euphrates | (Firat is in Turkish) is 2800 km long, out of which 1.263 km is in Turkey. |
| Tigris | (Dicle in Turkish) is 1900 km long, out of which 523 km is in Turkey. |
| Red river | (Kizilirmak in Turkish) is 1.355 km long and is the longest river of Turkey. |
| Green river | (Yesilirmak in Turkish) is approximately 519 km long. |