Numbers 33:37-39

New Catholic Bible

³⁷ They left Kadesh and camped at Mount Hor, on the border of Edom.

³⁸ Then Aaron the priest went up Mount Hor following the Lord’s command. He died there in the fortieth year after the people of Israel came out of Egypt, on the first day of the fifth month. ³⁹ Aaron was one hundred and twenty-three years old when he died on Mount Hor.