After a moment his ears were drawn to the ridge running along the far wall.

A ridge of high land runs along the peninsula from east to west.

Two ridges run north and south around it to the shore.

The ridge of ground on which they had crashed ran back, rising higher.

The island consists mainly of a single ridge running north to south.

The summit is a ridge about 200 feet long, running from north to south, and in one part bare of snow.

A low ridge runs to the north from the edge of the northern rim.

This great ridge ran for kilometers to either side, all the way to the horizon and beyond.

It is triangular in plan, the ridges running north, west and south east.

Together with ridges running roughly from east to west they form a giant cross.