'Holy Mountain' in the Bible

“But as for Me, I have installed My KingUpon Zion, My holy mountain.”

I was crying to the Lord with my voice,And He answered me from His holy mountain. Selah.

A Song; a Psalm of the sons of Korah.Great is the Lord, and greatly to be praised,In the city of our God, His holy mountain.

A Psalm of the sons of Korah. A Song.His foundation is in the holy mountains.