| name | image | Average flow (m³/s) | basin (m²) | Height (m) | origin location | mouth location | Length (m) | latitude (°) | longitude (°) | canyon | Map |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Mania River |  | Tsiribihina River | -19.8666600000 | 47.0333300000 | Map | ||||||
| Mahajilo River |  | 14,375,000,064 | Tsiribihina River | 260,000 | -19.6833333300 | 45.3730555600 | Map | ||||
| Mania River | | 18,564,999,168 | Tsiribihina River | 280,000 | -19.8666600000 | 47.0333300000 | Map |