| name | image | Average flow (m³/s) | basin (m²) | Height (m) | origin location | mouth location | Length (m) | latitude (°) | longitude (°) | canyon | Map |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Piray River |  | 15,249,000,448 | Yapacaní River | 457,000 | -16.1732805556 | -64.2019055556 | Map | ||||
| Surutú River | Yapacaní River | 89,000 | -17.4052777800 | -63.8461111100 | Map |