Deuteronomy 3:29

3:29 So we settled down in the valley opposite Beth Peor. ¹ 

Deuteronomy 4:46

4:46 in the Transjordan, in the valley opposite Beth Peor, in the land of King Sihon of the Amorites, who lived in Heshbon. (It is he whom Moses and the Israelites attacked after they came out of Egypt.

[3:29]  ¹ sn Beth Peor. This is probably the spot near Pisgah where Balaam attempted to curse the nation Israel (Num 23:28). The Moabites also worshiped Baal there by the name “Baal [of] Peor” (Num 25:1-5).