2 Metaphors for waterfall

They are twice as high and twice as broad; and the lay of the land is such that the various landscapes in which the waterfall is a feature are more striking.

Huge overhanging cliffs are to them steps within the reach of human legs; yawning crevasses are ditches to be jumped; and foaming waterfalls are like streams from penny squirts.

2 Metaphors for  waterfall