7 and the boundary goes up to Debir from the Valley of Achor, and so northward, turning toward Gilgal, which is opposite the ascent of Adummim, which is on the south side of the valley; and the boundary passes along to the waters of En-shemesh, and ends at En-rogel; 8 then the boundary goes up by the valley of the son of Hinnom at the southern slope of the Jebusites (that is, Jerusalem); and the boundary goes up to the top of the mountain that lies over against the valley of Hinnom, on the west, at the northern end of the valley of Rephaim; 9 then the boundary extends from the top of the mountain to the spring of the Waters of Nephtoah, and from there to the towns of Mount Ephron; then the boundary bends around to Baalah (that is, Kiriath-jearim); 10 and the boundary circles west of Baalah to Mount Seir, passes along to the northern slope of Mount Jearim (that is, Chesalon), and goes down to Beth-shemesh, and passes along by Timnah;
Matthew Henry's Commentary on Joshua 15:7-10
Commentary on Joshua 15:1-12
(Read Joshua 15:1-12)
Joshua allotted to Judah, Ephraim, and the half of Manasseh, their inheritances before they left Gilgal. Afterwards removing to Shiloh, another survey was made, and the other tribes had their portion assigned. In due time all God's people are settled.