2 Metaphors for steep

Best of all it was perfectly safe; for though from the door of her den she could look down on the old Indian's cabin, like a pebble on the shore, so steep were the billowing hills and so impassable the ravines that no human foot ever trod the place, not even in autumn when the fishermen left their boats at anchor in Harbor Weal and camped inland on the paths of the big caribou herds.

We climbed into the railway carriages that took the last rays of English influence out of the Ottoman Empire, and steep were the stairs in the house of a stranger!

2 Metaphors for  steep