| Answer | Crossword Clue |
|---|---|
| SIERRAS | Rugged mountain chains. |
| ALP | Rugged mountain |
| ARETES | Rugged mountain crests. |
| ARETE | Rugged mountain ridge |
| SIERRA | Rugged mountain range |
| ARETE | Rugged mountain feature |
| ALP | High, rugged mountain |
| ARETE | Rugged mountain crest |
| ARETE | Rugged mountain crest. |
| SIERRAS | Rugged mountain ranges |
| SIERRA | Rugged mountain chain |
| ARETES | Rugged mountain ridges |
| ARETE | Rugged crest of a mountain. |
| ARETE | Rugged crest of a mountain range. |
