Deuteronomy 10:6
Conclusion of the Historical Resume
10:6 “During those days the Israelites traveled from Beeroth Bene-Yaaqan to Moserah. There Aaron died and was buried, and his son Eleazar became priest in his place.
Deuteronomy 34:6
34:6 He buried him in the land of Moab near Beth Peor, but no one knows his exact burial place to this very day.