Numbers 21:13
From thence they removed, 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 at the extremity of the border.
Judges 11:18
Then they journeyed through the wilderness, and went around the land of Edom and the land of Moab, and arrived on the east side of the land of Moab, and camped on the other side of the Arnon; but they did not enter the territory of Moab, for the Arnon was the boundary of Moab.
Numbers 21:14
Therefore it is said in the book of the wars of Jehovah, Vaheb in Suphah, and the brooks of Arnon;
Deuteronomy 2:24
Rise up, take your journey, and pass over the river Arnon. Behold, I have given into thy hand Sihon the king of Heshbon, the Amorite, and his land: begin, take possession, and engage with him in battle.
Isaiah 16:2
And it shall be that as a wandering bird, 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 he is broken down: howl and cry; tell it in Arnon, that Moab is laid waste.