Deuteronomy 3:8

Context3:8 So at that time we took the land of the two Amorite kings in the Transjordan from Wadi Arnon to Mount Hermon 1
Deuteronomy 3:16
Context3:16 To the Reubenites and Gadites I allocated the territory extending from Gilead as far as Wadi Arnon (the exact middle of the wadi was a boundary) all the way to the Wadi Jabbok, the Ammonite border.
1 sn Mount Hermon. This is the famous peak at the southern end of the Anti-Lebanon mountain range known today as Jebel es-Sheik.