| Answer | Crossword Clue |
|---|---|
| DALLES | Rapids of the Columbia River. |
| ASTORIA | City on the mouth of the Columbia River |
| ASTORIA | City near the mouth of the Columbia River |
| OREGON | The Columbia River forms much of its northern border |
| ASTORIA | City almost at the end of the Columbia River |
| DAMMED | Like the Columbia River |
| SNAKE | River to the Columbia |
| WALLAWALLA | River to the Columbia |
| ASTORIA | Port on the Columbia River |
| ASTORIA | City on the Columbia River |
| ASTORIA | City on the Columbia River. |
| GRANDCOULEE | Dam on the Columbia River. |
