The eastern border of Judah was the Salt Sea, up to where the Jordan River ends. The northern boundary ran from the northern bay of the sea where the Jordan ends
From there the boundary ran from the top of the mountain to the water spring at Nephtoah and on to the towns on Mount Ephron. Then it bent towards Ballah (Kiriath-jearim).
Here the boundary turned south along the western side of the mountain facing Beth-horon, finishing at Kiriath-baal (or Kiriath-jearim), a town of the tribe of Judah. This was the western boundary.