Joshua 18:15

And the south quarter was from the uttermost part of Kiriath-jearim; and the border went out westward, and went out to the fountain of the waters of Nephtoah;

Joshua 15:9

and the border extended from the top of the mountain unto the fountain of the waters of Nephtoah, and went out to the cities of mount Ephron; and the border extended to Baalah (the same is Kiriath-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 extended from the top of the mountain unto the fountain of the waters of Nephtoah, and went out to the cities of mount Ephron; and the border extended to Baalah (the same is Kiriath-jearim);

American Standard Version Public Domain