| name | image | Average flow (m³/s) | basin (m²) | Height (m) | origin location | mouth location | Length (m) | latitude (°) | longitude (°) | canyon | Map |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Humboldt River (Brazil) | River Itapocu | -26.4316184000 | -49.2363322000 | Map | |||||||
| Itapocuzinho River | River Itapocu | -26.4666700000 | -49.0166700000 | Map | |||||||
| Novo River (Santa Catarina) | River Itapocu | -26.4316184000 | -49.2363322000 | Map | |||||||
| Piraí River (Santa Catarina) |  | River Itapocu | -26.5611111111 | -48.7391666667 | Map | ||||||
| Rio Jaraguá | River Itapocu | -26.4869568000 | -49.0624151000 | Map |