Numbers 33:37-39

English Standard Version

³⁷ And they set out from ^(A)Kadesh and camped at ^(B)Mount Hor, on the edge of the land of Edom.

³⁸ And Aaron the priest went up ^(C)Mount Hor at the command of the Lord and died there, in the fortieth year after the people of Israel had come out of the land of Egypt, on the first day of the fifth month. ³⁹ And Aaron was ^(D)123 years old when he died on Mount Hor.