Numbers 20:21-23

Amplified Bible

²¹ Thus [the king of] Edom refused to give Israel passage through his territory, so Israel turned away from him.

²² Now when they set out from Kadesh, the Israelites, the whole congregation, came to Mount Hor.

Death of Aaron

²³ Then the Lord spoke to Moses and Aaron at Mount Hor, by the border of the land of Edom, saying,