Genesis 31:23

31:23 So he took his relatives with him and pursued Jacob for seven days. He caught up with him in the hill country of Gilead.

Deuteronomy 2:36

2:36 From Aroer, which is at the edge of Wadi Arnon (it is the city in the wadi), all the way to Gilead there was not a town able to resist us – the Lord our God gave them all to us.

Deuteronomy 3:16

3:16 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.

Joshua 13:8-9

Tribal Lands East of the Jordan

13:8 The other half of Manasseh, Reuben, and Gad received their allotted tribal lands beyond the Jordan, just as Moses, the Lord’s servant, had assigned them. 13:9 Their territory started from Aroer (on the edge of the Arnon Valley), included the city in the middle of the valley, the whole plain of Medeba as far as Dibon,