| name | image | Average flow (m³/s) | basin (m²) | Height (m) | origin location | mouth location | Length (m) | latitude (°) | longitude (°) | canyon | Map |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Ibicuí-Mirim River | Ibicuí River | -29.7427537000 | -54.4921408000 | Map | |||||||
| Ibirapuitã River |  | Ibicuí River | 250,000 | -29.3666700000 | -55.9500000000 | Map | |||||
| Itu River | Ibicuí River | -29.4102777800 | -55.8505555600 | Map | |||||||
| Santa Maria River (Rio Grande do Sul) | 15,738,999,808 | Ibicuí River | -29.8036111100 | -54.9222222200 | Map | ||||||
| Ibirapuitã River | | 7,973,790,208 | Ibicuí River | 250,000 | -29.3666700000 | -55.9500000000 | Map |