וְנָסַב֩ הַגְּב֨וּל מִבַּעֲלָ֥ה יָ֙מָּה֙ אֶל־הַ֣ר שֵׂעִ֔יר וְעָבַ֕ר אֶל־כֶּ֧תֶף הַר־יְעָרִ֛ים מִצָּפ֖וֹנָה הִ֣יא כְסָל֑וֹן וְיָרַ֥ד בֵּֽית־שֶׁ֖מֶשׁ וְעָבַ֥ר תִּמְנָֽה׃
E a fronteira circundou de Baalá para o oeste em direção ao monte Seir, e passou pelo ombro do monte Yearim ao norte, que é Kesalon, e desceu até Beit Shemesh e passou por Timnah.
Rashi
The boundary turned from Baaloh westward. Now he reverts to his previous description [of the cities] from the east to the west.
Rashi
To the side of Mount Yearim to the north. The borderline was to the north of Mount Yearim. Thus Mount Yearim was within the boundary of Yehudah, within the borderline.