וַיּ֥וֹסֶף מַלְאַךְ־יְהוָ֖ה עֲב֑וֹר וַֽיַּעֲמֹד֙ בְּמָק֣וֹם צָ֔ר אֲשֶׁ֛ר אֵֽין־דֶּ֥רֶךְ לִנְט֖וֹת יָמִ֥ין וּשְׂמֹֽאול׃
And the angel of the LORD went further, and stood in a narrow place, where was no way to turn either to the right hand or to the left.
Read kabbalistic (mystical) interpretation of Numbers 22:26: and classical mystical sources.