| name | image | Average flow (m³/s) | basin (m²) | Height (m) | origin location | mouth location | Length (m) | latitude (°) | longitude (°) | canyon | Map |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Rio São João (bacia do rio Itabapoana) | Itabapoana River | -20.7661385000 | -41.8748389000 | Map | |||||||
| Calçado River (Itabapoana River tributary) | Itabapoana River | -21.1166666667 | -41.7000000000 | Map | |||||||
| Muqui do Sul River | Itabapoana River | -21.2099000000 | -41.3325000000 | Map | |||||||
| Muribeca River | Itabapoana River | -21.2500000000 | -41.0166700000 | Map | |||||||
| Preto River (Espírito Santo) | Itabapoana River | -21.2500000000 | -41.1833333333 | Map |