On the west side the border curved southward from the hill facing Beth-horon on the south and came out at Kiriath-baal (that is, Kiriath-jearim), a city of the sons of Judah. This was the western side.
Jewish Publication Society of America Version (JPS1917) - Joshua 18:14 >And the border was drawn and turned about on the west side southward, from the mountain that lieth before Beth-horon southward; and the goings out thereof were at Kiriath-baal — the same is Kiriath-jearim — a city of the children of Judah; this was the west side.