Joshua 18:15

And the south quarter is from the end of Kirjath-Jearim, and the border hath gone out westward, and gone out unto the fountain of the waters of Nephtoah;

Joshua 15:9

and the border hath been marked out, from the top of the hill-country unto the fountain of the waters of Nephtoah, and hath gone out unto the cities of mount Ephron, and the border hath been marked out to Baalah, (it is Kirjath-Jearim);

Treasury of Scripture Knowledge

Summary

And the south quarter was from the end of Kirjathjearim, and the border went out on the west, and went out to the well of waters of Nephtoah:

Nephtoah

Bible References

Nephtoah

Joshua 15:9
and the border hath been marked out, from the top of the hill-country unto the fountain of the waters of Nephtoah, and hath gone out unto the cities of mount Ephron, and the border hath been marked out to Baalah, (it is Kirjath-Jearim);