| Motunau River | |
|---|---|
| Location | |
| Country | New Zealand |
| Physical characteristics | |
| Mouth | |
• location | Pegasus Bay |
| Length | 18 km (11 mi) |
The Motunau River is a river of the north Canterbury region of New Zealand's South Island. It flows south-east from coastal hills south-west of Cheviot, reaching the Pacific Ocean at Motunau Beach at the northern tip of Pegasus Bay.