Joshua 18:13, 14

From there it crossed to the south slope of Luz (that is, Bethel) and went down to Ataroth Addar on the hill south of Lower Beth Horon.

From the hill facing Beth Horon on the south the boundary turned south along the western side and came out at Kiriath Baal (that is, Kiriath Jearim), a town of the people of Judah. This was the western side.