And he removed from there to a mountain on the east of Bethel, and pitched his tent, having Bethel on the west, and Hai on the east: and there he built an altar to the LORD, and called on the name of the LORD.
And Moses wrote all the words of the LORD, and rose up early in the morning, and built an altar under the hill, and twelve pillars, according to the twelve tribes of Israel.
And you shall make an altar of shittim wood, five cubits long, and five cubits broad; the altar shall be foursquare: and the height thereof shall be three cubits.