| Zigi River | |
|---|---|
 Sigi River in Mnyanzini Ward, Mkinga | |
 | |
| Location | |
| Country | Tanzania |
| Physical characteristics | |
| Source | |
| • location | Usambara Mountains, Muheza District, Tanzania |
| • elevation | 2,290 m |
| Mouth | |
• location | Mzizma Ward, Tanga District |
| Length | 100 km (62 mi) |
| Basin features | |
| Tributaries | |
| • left | Musi |
| • right | Kihuhui |
Zigi River also known as Sigi River (Swahili: Mto Sigi ), is a river in located in east Tanga Region in Tanzania.
The river rises in the Amani Nature Reserve in the east Usambara Mountains in Muheza District, more precisely in Handei Mountains, at an altitude of 1130 meters and flows for 100 km in a long course and multiple changes of direction to its mouth 40 km north of the town of Tanga in the Indian Ocean. Its tributaries are the Kihuhui (from south) and the Musi (from North).
