| name | image | Average flow (m³/s) | basin (m²) | Height (m) | origin location | mouth location | Length (m) | latitude (°) | longitude (°) | canyon | Map |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Mettbach (Ilm) | Ilm | 6,600 | 50.8072222200 | 11.1669444400 | Map | ||||||
| Deube | Ilm | 10,000 | 50.7696000000 | 11.0652000000 | Map | ||||||
| Gabelbach (Ilm) |  | 7,000,000 | Ilm | 3,480 | 50.6817000000 | 10.9102000000 | Map | ||||
| Humbach (Ilm) |  | 12,000,000 | Ilm | 5,500 | 50.7383000000 | 11.0317000000 | Map | ||||
| Magdel |  | Ilm | 14,000 | 50.9333333300 | 11.4000000000 | Map |