From there they set out and camped on the other side of the Arnon, in the wilderness that extends from the boundary of the Amorites, for the Arnon is the boundary of Moab, between Moab and the Amorites.
But Sihon would not allow Israel to pass through his territory. Sihon gathered all his people together and went out against Israel to the wilderness; he came to Jahaz and fought against Israel.
the Lord said to me, ‘Do not harass Moab or engage them in battle, for I will not give you any of its land as a possession, since I have given Ar as a possession to the descendants of Lot.’
Then they journeyed through the wilderness, went around the land of Edom and the land of Moab, arrived on the east side of the land of Moab, and camped on the other side of the Arnon. They did not enter the territory of Moab, for the Arnon was the boundary of Moab.