ridge

He thought it was no time to ſtay, / And let the Night too ſteal away, / But in a trice advanced the Knight, / Upon the Bare Ridge, Bolt upright, / And groping out for Ralpho’s Jade, / He found the Saddle too was ſtraid[…]

The plough threw up ridges of earth between the furrows.

mountain ridge

Maccario, it was evident, did not care to take the risk of blundering upon a picket, and a man led them by twisting paths until at last the hacienda rose blackly before them. Appleby could see it dimly, a blur of shadowy buildings with the ridge of roof parapet alone cutting hard and sharp against the clearing sky.

the British Guards lie down behind a ridge to avoid the shot and shell from the opposite heights

[…]Which to maintaine, I would allow him oddes, / And meete him, were I tide to runne afoote, / Euen to the frozen ridges of the Alpes, / Or any other ground inhabitable, / Where euer Engliſhman durſt ſet his foote.