| name | image | Average flow (m³/s) | basin (m²) | Height (m) | origin location | mouth location | Length (m) | latitude (°) | longitude (°) | canyon | Map |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Bardelgraben |  | Große Aa | 23,000 | 52.4586105300 | 7.5427780200 | Map | |||||
| Schaler Aa | 136,895,008 | Große Aa | 31,010 | 52.4725000000 | 7.5591700000 | Map | |||||
| Speller Aa |  | 368,048,000 | Große Aa | 49,222 | 52.4217000000 | 7.3771100000 | Map |