וַיַּעְתֵּ֨ק מִשָּׁ֜ם הָהָ֗רָה מִקֶּ֛דֶם לְבֵֽית־אֵ֖ל וַיֵּ֣ט אָהֳלֹ֑ה בֵּֽית־אֵ֤ל מִיָּם֙ וְהָעַ֣י מִקֶּ֔דֶם וַיִּֽבֶן־שָׁ֤ם מִזְבֵּ֙חַ֙ לַֽיהוָ֔ה וַיִּקְרָ֖א בְּשֵׁ֥ם יְהוָֽה׃
And he removed from thence unto the mountain on the east of Beth-el, and pitched his tent, having Beth-el on the west, and Ai on the east; and he builded there an altar unto the LORD, and called upon the name of the LORD.
Read halakhic rulings (Jewish law) on Genesis 12:8: and classical halakhic sources.