Ada River (Waiau River)
| Ada River | ||
|  | ||
| Data | ||
| location | Canterbury , New Zealand | |
| River system | Waiau River | |
| Drain over | Waiau River → Pacific | |
| source | at Ada Pass in the Saint James Range of the Spenser Mountains 42 ° 18 ′ 23 ″ S , 172 ° 28 ′ 23 ″ E | |
| muzzle | in the Waiau River coordinates: 42 ° 19 ′ 20 ″  S , 172 ° 36 ′ 23 ″  E 42 ° 19 ′ 20 ″  S , 172 ° 36 ′ 23 ″  E | |
| Mouth height | 695  m 
 | |
| length | 10 km | |
| Left tributaries | Christopher River | |
The Ada River is a small river in the Hurunui District of the Canterbury region on New Zealand's South Island . It rises in a wetland of the Saint James Range of the Spenser Mountains .
The river runs in an unpopulated area for 10 km in the northeast, after the tributary of the Christopher River in a southeast direction and flows into the Waiau River .

