Zayanderud
| Zayandeh River | |
|---|---|
| Zayandeh Rud | |
| Native name | Zayandehrud (Persian) | 
| Location | |
| Country | Iran | 
| Physical characteristics | |
| Source | |
| • location | Zagros Mountains | 
| • elevation | 3,974 m (13,038 ft) | 
| Mouth | |
|  • location | Gavkhouni (endorheic) | 
|  • elevation | 1,466 m (4,810 ft) | 
| Length | 400 km (249 mi) | 
| Basin size | 41,500 km2 (16,020 sq mi) | 
| Discharge | |
| • average | 38 m3/s (1,300 cu ft/s) | 
| Official name | Gavkhouni Lake and marshes of the lower Zaindeh Rud | 
| Designated | 23 June 1975 | 
| Reference no. | 53 | 
The Zayanderud or Zayandehrud (Persian: Zāyanderūd ,زایندهرود; from زاینده [zɑːjændɛ] "fertile" or "life-giver", and رود [rʊːd] "river"), also spelled as Zayanderud or Zayanderood, ..., is the largest river of the Iranian Plateau in central Iran.