| Mahitahi River | |
|---|---|
 Mouth of the Mahitahi River | |
 | |
| Location | |
| Country | New Zealand |
| Physical characteristics | |
| Source | |
| • location | Southern Alps |
| Mouth | |
• location | Bruce Bay |
| Length | 29 kilometres (18 mi) |
The Mahitahi River is a river of the southwest of New Zealand's South Island. It flows northwest from the Hooker Range, part of the Southern Alps, reaching the Tasman Sea at Bruce Bay.