From Aroer, which is by the brink of the river of Arnon, and from the city that is by the river, even unto Gilead, there was not one city too strong for us: the LORD our God delivered all unto us: From Aroer - by the brink of the river of Arnon - See on Numbers 21:13 (note), etc.
Related Commentaries of Deuteronomy 2:36
Deuteronomy 2:36
36 From Aroer, which is by the brink of the river of Arnon, and from the city that is by the river, even unto Gilead, there was not one city too strong for us: the LORD our God delivered all unto us: