| name | image | Average flow (m³/s) | basin (m²) | Height (m) | origin location | mouth location | Length (m) | latitude (°) | longitude (°) | canyon | Map |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Berlengas River | Poti River | -6.2333300000 | -42.0333000000 | Map | |||||||
| Cais River | Poti River | -5.3608300000 | -41.8611000000 | Map | |||||||
| Capivara River (Piauí) | Poti River | -5.0194444444 | -41.4613888889 | Map | |||||||
| Macambira River (Ceará) | Poti River | -4.9833300000 | -41.2333300000 | Map | |||||||
| Rio Itaim (Ceará) | Poti River | -5.2000000000 | -40.6666666667 | Map |