| Answer | Crossword Clue |
|---|---|
| VALE | Low-lying area |
| DALE | Low-lying area |
| SWALE | Low-lying area |
| coulees | low-lying area |
| coulee | low-lying area |
| SWALE | Low-lying marsh area |
| swamps | An area of low-lying, uncultivated ground where water collects; a bog or marsh |
| floodplain | An area of low-lying ground adjacent to a river, formed mainly of river sediments and subject to flooding |
