dale, basin, gorge, dell, glen, gulch, box canyon, canyon, gulley.
" The beggars were trying to approach unseen, though, I guess, for they were sneaking round a neck of woods so as to take advantage of that arroyo
that runs almost up to the mine.
I suppose they took the mules in the night and then got scared at something and hitched them in the arroyo,
meaning to come back for them."
Confronting him was the girl he had encountered at the arroyo.