Numbers 21:13
World English Bible (WEB)
"From there they traveled, and encamped on the other side of the Arnon, which is in the wilderness, that comes out of the border of the Amorites: for the Arnon is the border of Moab, between Moab and the Amorites."
About Numbers
Israel's wilderness journey, census records, and preparation to enter the Promised Land.
Old Testament • Book #4