Salt Lake Temple The Holy of Holies is one of the least talked about rooms in the temple. This is because, as the name suggests, it is a temple's most sacred room. There is much we don't know about the Holy of Holies and some of what I say in this post will be speculation. The Salt Lake Temple Holy of Holies as it appeared in 1911 The Salt Lake Temple includes a special room designated as the Holy of Holies. Salt Lake is the only temple that has this room. The Salt Lake Holy