Their territory extended ¹  from Aroer at the edge of the Arnon valley as far as Mount Siyon ²  – that is, Hermon –

This is the land we brought under our control at that time: The territory extending from Aroer ¹  by the Wadi Arnon and half the Gilead hill country with its cities I gave to the Reubenites and Gadites. ² 

He conquered all the land of Gilead, including the territory of Gad, Reuben, and Manasseh, extending all the way from the Aroer in the Arnon Valley through Gilead to Bashan. ¹ 

From Aroer, ¹  which is at the edge of Wadi Arnon (it is the city in the wadi), ²  all the way to Gilead there was not a town able to resist us – the Lord our God gave them all to us.