Numbers 20:22,29
And the children of Israel, even the whole congregation, journeyed from Kadesh, and came to mount Hor.
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Numbers 33:38,39
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.
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Deuteronomy 10:6
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.
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