Numbers 33:38
“And Aaron the priest went up into mount Hor at the commandment of the Lord, and died there, in the fortieth year after the children of Israel were come out of the land of Egypt, in the first day of the fifth month.”
And they removed from Ezion–gaber, and pitched in the wilderness of Zin, which is Kadesh.
And they removed from Kadesh, and pitched in mount Hor, in the edge of the land of Edom.
And Aaron the priest went up into mount Hor at the commandment of the Lord, and died there, in the fortieth year after the children of Israel were come out of the land of Egypt, in the first day of the fifth month.
And Aaron was an hundred and twenty and three years old when he died in mount Hor.
And king Arad the Canaanite, which dwelt in the south in the land of Canaan, heard of the coming of the children of Israel.
Counter-Arguments
The strongest case that this verse does not belong in this theme.

Related Verses
“These are the journeys of the children of Israel, which went forth out of the land of Egypt with their armies under the hand of Moses and Aaron.”
“And they departed from mount Hor, and pitched in Zalmonah.”
“And they removed from Kadesh, and pitched in mount Hor, in the edge of the land of Edom.”
“Then came the children of Israel, even the whole congregation, into the desert of Zin in the first month: and the people abode in Kadesh; and Miriam died there, and was buried there.”
“And the children of Israel took their journey from Beeroth of the children of Jaakan to Mosera: there Aaron died, and there he was buried; and Eleazar his son ministered in the priest’s office in his stead.”