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 […]

Trinity Site Motor Coach Tour

Trinity Site Motor Coach Tour

Trinity Site Motor Coach Tour — Limited advance tickets are on sale now through the museum’s foundation and include the round trip to Trinity Site, guided tour, brownbag lunch, guided tour of the museum, and more. To reserve your tickets or for more information, call 575-437-2840 or visit nmspacemuseum.org

Trinity Site Open House Changes Dates

PHOTO CUTLINE: The world’s first atomic bomb detonation at Trinity Site. Courtesy WSMR

2022 Dates Move to April 2 and October 15 (Alamogordo, New Mexico, December 14, 2021) – White Sands Missile Range has announced that the 2022 dates for the Trinity Site […]