cliff, abyss, chasm, precipice

sheer cliff, precipice, abyss, gulf

precipice, depression in a river valley

fastener, clip, tie, tether, brace; fence, enclosure; unassailable cliff

cliff, cragg; waist

rock, stone, cliff, reef, dark storm cloud

cliff, reef, rock

sharp rise, steep slope; road through a mountain; difficulty, complication; tough, harsh, mean, low, vile, harmful

bank (financial)

island, bank

snow bank, snow drift

ford (water), seaside, a place where water is taken from the bank of a river or stream

waterfall

waterfall

waterfall