Benjamin's southern border started at the edge of Kiriath-Jearim and went east to the ruins and on to Nephtoah Spring.
Judah's eastern border ran the full length of the Dead Sea. The northern border started at the northern end of the Dead Sea.
At the top of the mountain it turned and went to Nephtoah Spring and then to the ruins on Mount Ephron. From there, it went to Baalah, which is now called Kiriath-Jearim.