| name | image | Average flow (m³/s) | basin (m²) | Height (m) | origin location | mouth location | Length (m) | latitude (°) | longitude (°) | canyon | Map |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Uakit | 70,000 | 55.3764000000 | 113.8402000000 | Map | |||||||
| Ual da Mulin |  | Vorderrhein | 3,400 | 46.7922000000 | 9.2747200000 | Map | |||||
| Ua | Glomma | ||||||||||
| Uadi Tassaout |  | High Atlas | Oum Er-Rbia River | 32.3678000000 | -7.2364000000 | Map | |||||
| Uba | 77,800,000 | Ilet River | 19,000 | 56.3063888889 | 48.5466666667 | Map |