On the north side their boundary began at the Jordan. Then the boundary goes up to the shoulder north of Jericho, then up through the hill country westward, and it ends at the wilderness of Beth-aven.
We have here the lot of the tribe of Benjamin, which Providence cast next to Joseph on the one hand, because Benjamin was own and only brother to Joseph, and was little Benjamin (Psa 68:27), that needed the protection of great Joseph, and yet had a better protector, for the Lord shall cover him all the day long, Deu 33:12.
Commenting on Joshua 18:11-28
And their border on the north side was from Jordan,.... Which was the eastern boundary of the tribe, and hence proceeded from east to west, and formed its northern border, which is described in like manner as the lot of the children of Joseph, Jos 16:1, and the border went up to the side of Jericho on the north side; from Jordan it went to...
The wilderness of Beth-aven - This was the same as Beth-el; but this name was not given to it till Jeroboam had fixed one of his golden calves there. Its first name signifies the house of God; its second, the house of iniquity.