| Answer | Crossword Clue |
|---|---|
| THAMES | A North Sea feeder |
| TEES | North Sea feeder |
| WESER | North Sea feeder |
| NENE | North Sea feeder |
| MAAS | North Sea feeder |
| NEN | North Sea Feeder |
| ODER | North Sea feeder |
| ALN | North Sea feeder |
| ELBE | North Sea feeder |
| RHINE | North Sea feeder |
| TAY | North Sea feeder |
| YSER | North Sea feeder |
| DEE | North Sea feeder |
| TYNE | North Sea feeder |
| EMS | North Sea feeder |
| MEUSE | North Sea feeder |
| THAMES | North Sea feeder |
| YSER | Feeder to the North Sea |
| WESER | North Sea feeder of Germany |
| YSER | North Sea feeder via Belgium |
