Numbers 33:46
They left Dibon-gad and camped at Almon-diblathaim.
The king of Arad, a Canaanite who lived in the Negeb in the land of Canaan, was informed when the people of Israel arrived.
There, Aaron, the priest, went up Mount Hor at the Lord’s command, and there he died, in the fortieth year of the journey of the Israelites from the land of Egypt, in the fifth month, on the first day of the month.