Numbers 21:13
From there they journeyed, 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.
Numbers 22:36
And when Balak heard that Balaam came, he went out to meet him to the City of Moab, which is on the border of the Arnon, which is in the outmost part of the border.
Judges 11:18
Then they went through the wilderness, and went around the land of Edom, and the land of Moab, and came by the east side of the land of Moab. And they encamped on the other side of the Arnon, but they did not come within the border
Numbers 21:14
Therefore it is said in the book of the Wars of LORD, Vaheb in Suphah, and the valleys of the Arnon,
Deuteronomy 2:24
Rise ye up, take your journey, and pass over the valley of the Arnon. Behold, I have given into thy hand Sihon the Amorite, king of Heshbon, and his land. Begin to possess it, and contend with him in battle.
Isaiah 16:2
For it shall be that, as wandering birds, as a scattered nest, so shall the daughters of Moab be at the fords of the Arnon.
Jeremiah 48:20
Moab is put to shame, for it is broken down. Wail and cry, tell ye it by the Arnon, that Moab is laid waste.