| Answer | Crossword Clue |
|---|---|
| valley | long depression between uplands or mountains |
| valleys | an elongate depression of the earth's surface usually between ranges of hills or mountains |
| COL | Depression between mountains. |
| col | a depression between two mountains |
| cols | COL, a depression between two mountains |
| trough | long depression, as between two waves |
| troughs | long depression, as between two waves |
