| name | image | Average flow (m³/s) | basin (m²) | Height (m) | origin location | mouth location | Length (m) | latitude (°) | longitude (°) | canyon | Map |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Boeuf River |  | Ouachita River | 348,000 | 31.8569000000 | -91.7858000000 | Map | |||||
| Caddo River |  | Ouachita River | 65,000 | 34.1800000000 | -93.0433000000 | Map | |||||
| Little Missouri River (Arkansas) |  | 590 | Ouachita River | 125,000 | 33.8084387000 | -92.9001650000 | Map | ||||
| Little River (Louisiana) | Ouachita River | 145,000 | 31.6282000000 | -91.8101000000 | Map | ||||||
| Saline River (Ouachita River tributary) | Ouachita River | 127,000 | 34.3837000000 | -93.9966000000 | Map |