Kowai River
| Kowai River | ||
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| Data | ||
| location | Waimakariri District , Canterbury Region, South Island , New Zealand | |
| River system | Waimakariri River | |
| Drain over | Waimakariri River → Pegasus Bay | |
| source |
Torless Range 43 ° 14 ′ 52 ″ S , 171 ° 48 ′ 40 ″ O |
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| Source height | 1450 m | |
| muzzle |
Waimakariri River Coordinates: 43 ° 18 ′ 55 " S , 171 ° 58 ′ 46" E 43 ° 18 ′ 55 " S , 171 ° 58 ′ 46" E |
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| Mouth height | 297 m | |
| Height difference | 1153 m
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| Left tributaries | Rubicon River , Little Kowai River | |
| Small towns | Springfield | |
The Kowai River is a river in the Waimakariri District of the Canterbury region on New Zealand's South Island .
It rises on the southern flank of the Torlesse Range at the foot of the Southern Alps . After initially heading south, the river turns east and crosses the upper Canterbury Plains . West of Springfield it flows into the Waimakariri River .
The State Highway 73 follows the river at its rise until shortly before the Porters Pass .