The hill — Zion, the seat of God's ark. High hill — Which is not to be understood of external height, but of its spiritual height, or exaltation, in regard of the glorious privileges of God's presence, and worship.
Related Commentaries of Psalms 68:15
Psalms 68:15
15 The hill of God is as the hill of Bashan; an high hill as the hill of Bashan.