| Tonndorfbach | |
|---|---|
| Location | |
| Country | Germany |
| State | Thuringia |
| Physical characteristics | |
| Mouth | |
• location | Ilm |
• coordinates | 50°52′17″N 11°15′28″E / 50.8715°N 11.2578°E / 50.8715; 11.2578 |
| Basin features | |
| Progression | Ilm→ Saale→ Elbe→ North Sea |
Tonndorfbach is a river of Thuringia, Germany. It flows into the Ilm near Bad Berka.