“Even So Shall… the Nations Be That Fight Against Mount Zion”

Joseph F. McConkie, Robert L. Millet
As the phrase mountain of the Lord’s house (2 Nephi 2:12) can properly be understood to apply to all temples, so the phrase Mount Zion can appropriately be used to refer to the gathering places of the Saints.

Doctrinal Commentary on the Book of Mormon, Vol. 1