Solutions A steep-sided hollow at the head of a valley or on a mountain side has 9 entries with similar clues
- 3-letter words
- cwmSteep-sided hollow at the head of a valley
- 4-letter words
- mesaIn the USA, a steep-sided flat-topped hill
- gulfSteep-sided valley
- 5-letter words
- gulchNarrow steep-sided ravine
- chasmSteep-sided valley
- abyssSteep-sided valley
- 6-letter words
- defileA steep-sided narrow gorge/mountain pass
- canyonA steep-sided valley
- 11-letter words
- rift-valleySteep-sided valley formed by subsidence