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

Whatever you vow, you must be careful to do what you have promised, such as what you have vowed to the Lord your God as a freewill offering.

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.