Devarim 27:5-7

Orthodox Jewish Bible

⁵ And there shalt thou build a mizbe’ach unto Hashem Eloheicha, a mizbe’ach of avanim; thou shalt not use any barzel (iron [tool]) upon them.

⁶ Thou shalt build the mizbe’ach of Hashem Eloheicha of avanim shleimot (uncut stones); and thou shalt offer olot thereon unto Hashem Eloheicha;

⁷ And thou shalt offer shelamim, and shalt eat there, and rejoice before Hashem Eloheicha.