| Hammergraben | |
|---|---|
| Country | Germany |
| States | Brandenburg |
| Physical characteristics | |
| River mouth |
Großes Fließ 51°51′16″N 14°15′39″E / 51.8544°N 14.2608°ECoordinates: 51°51′16″N 14°15′39″E / 51.8544°N 14.2608°E |
| Basin features | |
| Progression | Großes Fließ→ Spree→ Havel→ Elbe→ North Sea |
Hammergraben is a river of Brandenburg, Germany. It branches off the Spree in Cottbus, and flows into the Großes Fließ (a tributary of the Spree) in Schmogrow-Fehrow.