Numbers 21:13

From thence they removed, and pitched on the other side of Arnon, which is in the wilderness that cometh out of the coasts of the Amorites: for Arnon is the border of Moab, between Moab and the Amorites.

Cross-reference

Numbers 21:14 quotes the Book of the Wars of the LORD, providing a poetic parallel to the geographical description of the Arnon.

Numbers 21:24 defines the conquered land from the Arnon to the Jabbok, using this river as the southern boundary.

Numbers 22:36 places Balak's meeting with Balaam at the same Arnon border, reinforcing the location's significance.

Deuteronomy 2:24 recalls the command to cross the Arnon, continuing the narrative of Israel's entry into Amorite territory.

Joshua 12:1 summarizes Israel's conquests with the Arnon as the southern limit, confirming the geography.

Judges 11:15 records Jephthah's claim that Israel did not take Moab's land, consistent with the Arnon border.