Logan Mormon LDS Temple Rainbow. The Logan Temple is a temple of The Church of Jesus Christ of Latter-day Saints (LDS Church) located in Logan, Utah, United States. It was the second temple built in Utah and the 5th operating temple of the Mormon Church. The Logan Temple was dedicated in 1884. It sits on a hill that overlooks the city, and its architecture is reminiscent of the Gothic Revival style. The temple’s exterior is made of white granite and its spires can be seen from miles away.