At her words he looked up expectantly, to be struck mute.
He felt a sheer force, a downward drawing of an immense abyss beneath him.

As he looked afar he saw a black basin of timbered country, the darkest and wildest he had ever gazed upon, a hundred miles of blue distance across to an unflung mountain range, hazy purple against the sky.

It seemed to be a stupendous gulf surrounded on three sides by bold, undulating lines of peaks, and on his side by a wall so high that he felt lifted aloft on the run of the sky.
"Southeast y'u see the Sierra Anchas," said the girl pointing.

"That notch in the range is the pass where sheep are driven to Phoenix an' Maricopa.

Those big rough mountains to the south are the Mazatzals.
Round to the west is the Four Peaks Range.