Numbers 20:23
23 And the Lord said to Moses and Aaron at Mount Hor, on the border of the land of Edom,
Numbers 21:4
The Bronze Serpent
4 From Mount Hor athey set out by the way to the Red Sea, bto go around the land of Edom. And the people became impatient on the way.
Numbers 34:7–8
7 “This shall be your northern border: from the Great Sea you shall draw a line to hMount Hor. 8 From Mount Hor you shall draw a line ito Lebo-hamath, and the limit of the border shall be at jZedad.