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. Arnon - Another river which takes its rise in the mountains of Moab, and, after having separated the ancient territories of the Moabites and Ammonites, falls into the Dead Sea, near the mouth of Jordan.
Related Commentaries of Numbers 21:13
Numbers 21:13
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.