The mountains marched, now closer, now further away, but never seemed to grow smaller, or less green, or less snowy.

The gray mountains, snow-dusted, marched ever higher to their left.

In the distance, snow-capped mountains marched toward the south and the great ocean.

Before them (west) [read east](18) the mountains marched to a sudden end.

To the west [read east](5) the mountains marched to a sudden end, and far lands could be descried beyond them vague and wide.

He could see nothing but the wheeling stars, and away to the right vast shadows against the sky, where the mountains of the south marched by.

When they got to the top of it, leading their ponies, they saw that the great mountains had marched down very near to them.

But the mountains of Valinor curve backward, and Valinor is broadest in the middle of Earth, where the mountains march beside the sea; and at the north and south the mountains come even to the chasm.