| Answer | Crossword Clue |
|---|---|
| ICEDAM | Winter river blockage |
| ICEDAM | Gutter blockage in winter |
| LOGJAM | River blockage |
| DAM | River blockage |
| ICEJAM | Winter's river blockage |
| ICEDAM | Winter river blocker |
| NEVA | Winter Palace river |
| ICEJAM | Winter river obstruction |
| grilse | a young Atlantic salmon returning to its native river to spawn for the first time after one winter at sea |
