Peiros
| Peiros | |
|---|---|
| Native name | Πείρος (Greek) | 
| Location | |
| Country | Greece | 
| Physical characteristics | |
| Source | |
| • location | Achaea | 
| Mouth | |
|  • location | Gulf of Patras | 
|  • coordinates | 38°9′4″N 21°34′25″E / 38.15111°N 21.57361°E | 
| Length | 42.6 km (26.5 mi) | 
| Basin size | 578 km2 (223 sq mi) | 
| Basin features | |
| Tributaries | |
| • left | Parapeiros, Serdini | 
The Peiros (Greek: Πείρος, formerly also Kamenitza and Achelous) is a river in the central and the northwestern parts of Achaea, Greece. It is 42.6 km (26.5 mi) long.