en_tn/num/21/20.md

Mount Pisgah

This is the name of a mountain. (See: rc://en/ta/man/translate/translate-names)

looks down on the wilderness

This is an idiom. It is a way of saying that the mountain is high, and speaks of the mountain as if it were a person who looks down to see the wilderness below him. AT: "rises above the wilderness" (See: rc://en/ta/man/translate/figs-idiom and rc://en/ta/man/translate/figs-personification)