| Kaihu River | |
|---|---|
| Location | |
| Country | New Zealand |
| Physical characteristics | |
| Mouth | |
• location | Wairoa River |
| Length | 38 km (24 mi) |
The Kaihu River is a river of the far north of New Zealand's North Island. It flows southeast from just south of Waipoua Forest, reaching the Wairoa River at the town of Dargaville.