| name | image | Average flow (m³/s) | basin (m²) | Height (m) | origin location | mouth location | Length (m) | latitude (°) | longitude (°) | canyon | Map |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Canoinhas River | Rio Negro | -26.1166700000 | -50.3666700000 | Map | |||||||
| Da Várzea River (Negro River tributary) | Rio Negro | -26.0197222222 | -49.9338888889 | Map | |||||||
| Negrinho River (Mafra, Santa Catarina) | Rio Negro | -26.1886111111 | -49.6911111111 | Map | |||||||
| Passa Três River | Rio Negro | -26.0891666667 | -49.8052777778 | Map | |||||||
| Preto River (Negro River tributary) | Rio Negro | -26.2261111111 | -49.6027777778 | Map |