Charles Ellicott Commentary Deuteronomy 34:8

"And the children of Israel wept for Moses in the plains of Moab thirty days: so the days of weeping in the mourning for Moses were ended." — Deuteronomy 34:8 (ASV)

The children of Israel wept for Moses ... thirty days ... —As they did for Aaron, his brother (Numbers 20:29). It is remarkable that the burial and the tomb of Aaron are only alluded to in Deuteronomy 10:6. (See Note and Excursus on that passage.) Miriam was buried in Kadesh (Numbers 20:1).