Solutions Steep-sided narrow gorge has 10 entries with similar clues
- cwmSteep-sided hollow at the head of a valley
- mesaIn the USA, a steep-sided flat-topped hill
- wadiNarrow gorge gouged out by a river or flood waters
- gulfSteep-sided valley
- flumeNarrow gorge or ravine
- chasmSteep-sided valley
- abyssSteep-sided valley
- canyonA steep-sided valley
- couloirNarrow gorge gouged out by a river or flood waters
- rift-valleySteep-sided valley formed by subsidence