Numbers 21:13

They set out from there and camped on the other side of the Arnon River, in the wilderness that extends from the Amorite border, because the Arnon was the Moabite border between Moab and the Amorites.

Numbers 22:36

When Balak heard that Balaam was coming, he went out to meet him at the Moabite city on the Arnon border at the edge of his territory.

Judges 11:18

“Then they traveled through the wilderness and around the lands of Edom and Moab. They came to the east side of the land of Moab and camped on the other side of the Arnon but did not enter into the territory of Moab, for the Arnon was the boundary of Moab.

Numbers 21:14

Therefore it is stated in the Book of the Lord’s Wars:

Waheb in Suphah
and the ravines of the Arnon,

Deuteronomy 2:24

“The Lord also said, ‘Get up, move out, and cross the Arnon Valley. See, I have handed Sihon the Amorite, king of Heshbon, and his land over to you. Begin to take possession of it; engage him in battle.

Isaiah 16:2

Like a bird fleeing,
forced from the nest,
the daughters of Moab
will be at the fords of the Arnon.

Jeremiah 48:20

Moab is put to shame, indeed dismayed.
Wail and cry out!
Declare by the Arnon
that Moab is destroyed.

Treasury of Scripture Knowledge

Summary

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.

Bible References

General references

Numbers 21:14
Therefore it is stated in the Book of the Lord’s Wars:

Waheb in Suphah
and the ravines of the Arnon,
Numbers 22:36
When Balak heard that Balaam was coming, he went out to meet him at the Moabite city on the Arnon border at the edge of his territory.
Deuteronomy 2:24
“The Lord also said, ‘Get up, move out, and cross the Arnon Valley. See, I have handed Sihon the Amorite, king of Heshbon, and his land over to you. Begin to take possession of it; engage him in battle.
Judges 11:18
“Then they traveled through the wilderness and around the lands of Edom and Moab. They came to the east side of the land of Moab and camped on the other side of the Arnon but did not enter into the territory of Moab, for the Arnon was the boundary of Moab.
Isaiah 16:2
Like a bird fleeing,
forced from the nest,
the daughters of Moab
will be at the fords of the Arnon.
Jeremiah 48:20
Moab is put to shame, indeed dismayed.
Wail and cry out!
Declare by the Arnon
that Moab is destroyed.

Holman Christian Standard Bible®, Copyright © 1999, 2000, 2002, 2003, 2009 by Holman Bible Publishers.