| name | image | Average flow (m³/s) | basin (m²) | Height (m) | origin location | mouth location | Length (m) | latitude (°) | longitude (°) | canyon | Map |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Jasení | 10,600,000 | Olza | 5,700 | 49.5838888900 | 18.7511111100 | Map | |||||
| Karvinský potok | 20,500,000 | Olza | 8,300 | 49.8844444400 | 18.4866666700 | Map | |||||
| Lutyňka | 28,680,000 | Olza | 10,800 | 49.9361111100 | 18.3688888900 | Map | |||||
| Bobrówka (dopływ Olzy) |  | Olza | 12,660 | 49.7603888900 | 18.6146666700 | Map | |||||
| Hluchová |  | 37,400,000 | Olza | 12,300 | 49.6313888889 | 18.7166666667 | Map |