This is the longest valley on the near side of the Moon.

We came at last to a long and narrow valley.

They led east, back toward the River, she thought, and the long valley in which it ran.

She decided to head down the long valley rather than out on the steppes.

I noticed that we were high enough to look down into the long, narrow valley.

The cattle were being held in a long valley near the river, some five miles from town.

They were now floating a hundred yards above the ground at the head of a long valley.

The long valleys of the south become level ground, while those in the north contain salt water.

The outpost is at the east end of the long valley.

He looked over the edge of the rock at the long valley, and nodded to himself.