Reference

Numbers 33:37

And they removed from Kadesh, and pitched in mount Hor, in the edge of the land of Edom.
35

And they departed from Ebronah, and encamped at Ezion–gaber.

36

And they removed from Ezion–gaber, and pitched in the wilderness of Zin, which is Kadesh.

37

And they removed from Kadesh, and pitched in mount Hor, in the edge of the land of Edom.

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.

39

And Aaron was an hundred and twenty and three years old when he died in mount Hor.

Counter-Arguments

The strongest case that this verse does not belong in this theme.

Hell Terminology (Sheol/Hades/Gehenna/Lake of Fire)

This verse describes a geographical movement from one physical location (Kadesh) to another (Mount Hor) at the edge of a known land (Edom). There is no mention or implication of any concept related to punishment, the afterlife, or any specific terminology for hell.