Trinity Site

Trinity Site

Southeast region of New MexicoOn July 16, 1945 the world changed with the explosion of the first atomic bomb. The explosion took place at Trinity Site which is on what is now White Sands Missile Range. Trinity is a national historic landmark which is open to the public twice a year. The following links will provide you with information on the history of the site, how to get there and some of the historic images.

Included on the Trinity Site tour is Ground Zero where the atomic bomb was placed on a 100-foot steel tower. A small monument now marks the spot. Visitors also see the McDonald ranch house where the world's first plutonium core for a bomb was assembled. The missile range provides historical photographs and a Fat Man bomb casing for display. There are no ceremonies or speakers.

Trinity Site is open to the public twice a year--on the first Saturday in April and October.

US Army White Sands Missile Range
Public Affairs Office
CSTE-DTC-WS-PA
WSMR, NM 88002
Phone (505) 678-1134
www.wsmr.army.mil/wsmr.asp?pg=y&page=576