Matthew Poole and continuators on Joshua 20:7

7 ¶ And they appointed Kedesh in Galilee in mount Naphtali, and Shechem in mount Ephraim, and Kirjath arba (which is Hebron) in the mountain of Judah .

Concerning these Cities note, 1. That they were all upon Mountains, that they might be seen at a great distance, and so direct those who fled thither. 2. That they were seated at convenient distance one from another, for the benefit of the several Tribes; for Kedesh was in the North, Hebron in the South, and Shechem between them. 3. That they all belonged to the Levites; partly, that these Causes might be more impartially examined, and justly determined by them who are presumed best able to understand the Law of God, and most obliged and likely to follow it in their Judgment, and not to be biass'd by any affection or corrupt interest; and partly, that their just reputation with the people, and their good Counsels, might lay some restraint upon revengeful persons, who might be inclined or tempted to follow the Man-slayer thither, and endeavour to kill him there.

Marginal references: Heb. Sanctified.