| Answer | Crossword Clue |
|---|---|
| SEINERIVER | Major European waterway. |
| ELBE | Major European waterway |
| ELBE | Major European waterway. |
| ODER | European waterway |
| SAAR | European waterway |
| RHINE | European waterway. |
| RHONERIVER | European waterway. |
| RIVERRHINE | European waterway. |
| RHONE | European waterway. |
| ELBE | Central European waterway |
| DANUBE | Vital European waterway. |
