וַיִּסְע֖וּ מִקָּדֵ֑שׁ וַֽיַּחֲנוּ֙ בְּהֹ֣ר הָהָ֔ר בִּקְצֵ֖ה אֶ֥רֶץ אֱדֽוֹם׃
And they journeyed from Kadesh, and pitched in mount Hor, in the edge of the land of Edom.—
Read kabbalistic (mystical) interpretation of Numbers 33:37: and classical mystical sources.