岩壁(がんぺき)

がんぺき
noun
rock face; cliff wall
geographynature
1. rock face; cliff wall
A steep wall of natural rock, as in mountains or gorges.
岩壁(がんぺき)を登(のぼ)る。
To climb a rock face.
Sheer rock walls towered on both sides of the road.
Even for experienced climbers, this vertical rock face is hard to climb.

Common collocations

Watch out

岸壁(がんぺき), with the same reading, is a quay or wharf where ships moor.