Deuteronomy 11:29-30

29And it shall come to pass, when Jehovah thy 1God hath brought thee into the land whither thou enterest in to possess it, that thou shalt put the blessing upon mount Gerizim, and the curse upon mount Ebal.

30Are they not on the other side of the Jordan, beyond the way toward the going down of the sun, in the land of the Canaanites that dwell on the plain opposite to Gilgal, beside the oaks of Moreh?