וַיִּסְעוּ֙ מֵֽאֵתָ֔ם וַיָּ֙שָׁב֙ עַל־פִּ֣י הַחִירֹ֔ת אֲשֶׁ֥ר עַל־פְּנֵ֖י בַּ֣עַל צְפ֑וֹן וַֽיַּחֲנ֖וּ לִפְנֵ֥י מִגְדֹּֽל׃
And they journeyed from Etham, and turned back unto Pihahiroth, which is before Baal-zephon; and they pitched before Migdol.
Read Kabbalistic (mystical) interpretations of Numbers 33:7: Zohar and classical Jewish mystical sources, free online.