Annual Trinity Site Tour

Don’t miss the fascinating Trinity Site Tour this October 18, 2025!  The Trinity Site is where the first atomic bomb was detonated on 5:29:45 a.m. Mountain War Time July 16, 1945, as part of the Manhattan Project. Click title for details.

Annual Trinity Site Tour Postponed

Annual Trinity Site Tour Saturday, October 18 6:00 a.m. – 3:15 p.m. (approximate time) Due to the Federal government shutdown, the Trinity Site Tour has been cancelled and will be […]