| name | image | Average flow (m³/s) | basin (m²) | Height (m) | origin location | mouth location | Length (m) | latitude (°) | longitude (°) | canyon | Map |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Ocmulgee River |  | Altamaha river | 410,000 | 33.3208333333 | -83.8441666667 | Map | |||||
| Oconee River |  | Altamaha river | 274,000 | 33.8777777778 | -83.3502777778 | Map | |||||
| Ohoopee River | Altamaha river | 160,000 | 31.9015897000 | -82.1151206000 | Map |