Kızılırmak River
| Kızılırmak Halys | |
|---|---|
| Kızılırmak in Samsun | |
| Map of the Kızılırmak watershed | |
| Location | |
| Country | Turkey | 
| Cities | Sivas, Kırşehir, Kırıkkale | 
| Physical characteristics | |
| Source | |
| • location | İmranlı, Sivas Province | 
| • coordinates | 39°48′N 38°18′E / 39.800°N 38.300°E | 
| • elevation | 2,000 m (6,600 ft) | 
| Mouth | Black Sea | 
|  • location | Bafra, Samsun Province | 
|  • coordinates | 41°44′04″N 35°57′23″E / 41.73444°N 35.95639°E | 
|  • elevation | 0 m (0 ft) | 
| Length | 1,355 km (842 mi) | 
| Discharge | |
| • average | 128 m3/s | 
| Basin features | |
| Tributaries | |
| • left | Devrez River, Gök River | 
| • right | Delice River | 
| Official name | Kizilirmak Delta | 
| Designated | April 15, 1998 | 
The Kızılırmak (Turkish pronunciation: [kɯzɯlɯrmak], Turkish for "Red River"), once known as the Halys River (Ancient Greek: Ἅλυς) and Alis River, is the longest river flowing entirely within Turkey. It is a source of hydroelectric power and is not used for navigation.