וְתָאַ֨ר הַגְּב֜וּל מֵרֹ֣אשׁ הָהָ֗ר אֶל־מַעְיַן֙ מֵ֣י נֶפְתּ֔וֹחַ וְיָצָ֖א אֶל־עָרֵ֣י הַר־עֶפְר֑וֹן וְתָאַ֤ר הַגְּבוּל֙ בַּעֲלָ֔ה הִ֖יא קִרְיַ֥ת יְעָרִֽים׃
And the border was drawn 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 was drawn to Baalah—the same is Kiriath-jearim.
Read midrashic interpretation of Joshua 15:9: and classical rabbinic exegesis.