| Moa | |
|---|---|
 Tiwai Island on the Moa River | |
 Map of the Moa River Basin | |
| Location | |
| Countries | |
| Physical characteristics | |
| Source | |
| • location | Guinea Highlands, Guinea |
| • elevation | 930 m (3,050 ft) |
| Mouth | |
• location | Atlantic Ocean |
| Length | 475 km (295 mi)[1] |
| Basin size | 19,560 km2 (7,550 sq mi)[2] |
| Discharge | |
| • location | Near mouth |
| • average | (Period: 1979–2015) 32.94 km3/a (1,044 m3/s)[2] |
| Basin features | |
| River system | Moa River |
| Tributaries | |
| • left | Ouaou, Mauwa |
| • right | Mafissa, Meli, Male |
The Moa River (Makona River)[3] is a river in west Africa. It arises in the highlands of Guinea and flows southwest, forming parts of the Guinea–Liberia and the Guinea – Sierra Leone borders. It flows into the Southern Province of Sierra Leone.[3] Yenga, Tiwai Island and Sulima are located on the Moa.