Airain
| Airain | |
|---|---|
| Location | |
| Country | France | 
| Physical characteristics | |
| Source | |
| • location | Nérondes | 
| • coordinates | 46°59′53″N 02°48′59″E / 46.99806°N 2.81639°E | 
| • elevation | 185 m (607 ft) | 
| Mouth | |
|  • location | Yèvre | 
|  • coordinates | 47°02′59″N 02°33′55″E / 47.04972°N 2.56528°E | 
|  • elevation | 139 m (456 ft) | 
| Length | 47.8 km (29.7 mi) | 
| Basin size | 300 km2 (120 sq mi) | 
| Discharge | |
| • average | 1.62 m3/s (57 cu ft/s) | 
| Basin features | |
| Progression | Yèvre→ Cher→ Loire→ Atlantic Ocean | 
The Airain or Airin (French pronunciation: [ɛʁɛ̃]) is a 47.8 km (29.7 mi) long river in the Cher department in central France. Its source is at Nérondes. It flows generally west, with a U shape. It is a left tributary of the Yèvre, into which it flows at Savigny-en-Septaine, 13 km (8.1 mi) southeast of Bourges.