Long knife-edge ridges run away to the northeast and northwest.

The peak is rarely approached from the north where it is guarded by a narrow arête or knife-edge ridge.

Miles to the east a knife-edge ridge cut the sky, notched with a shallow pass.

Dr. Huberman likens the unstable situation to a ball set on a knife-edge ridge.

Dawn threatened when he topped a knife-edge ridge and spotted his quarry's camp down the canyon on the other side.

Four hours later the mountaintop was behind a knife-edge ridge of volcanic rock.

The summit is a knife-edge ridge which drops away on both sides.

In the west, it is very dramatic, with sharply pointed peaks and knife-edge ridges, and rapidly flowing rivers.

A steep, 500 metre long knife-edge ridge bears away from the mountaintop to the north.

The night had been a long series of tiny roads on knife-edge ridges.