If MacDonald slept at all that night Aldous did not know it.

The old mountaineer watched until a little after twelve in the deep shadow of a rock between the two camps.
"I can't sleep," he protested, when Aldous urged him to take his rest.

"I might take a little stroll up the plain, Johnny--but I can't sleep." The plain lay in a brilliant starlight at this hour; they could see the gleam of the snow-peaks--the light was almost like the glow of the moon.
"There'll be plenty of sleep after to-morrow," added MacDonald, and there was a finality in his voice and words which set the other's blood stirring.
"You think they will show up to-morrow ?" "Yes.

This is the same valley the cabins are in, Johnny.

That big mountain runs out an' splits it, an' it curves like a horseshoe.