Late notice I know, but just looked this up:Trinity Site is open to the public twice a year--on the first Saturday in April and October-- no reservations are required.
On 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.
This is in New Mexico.
GPS Coordinates for obelisk (exact GZ) = N33.40.636 W106.28.525
The next Trinity Site open house is scheduled for April 7, 2007.
There are two ways of entering the restricted missile range:
1) Stallion Gate Entrance - Exit I-25 on mile marker 139 (San Antonio, N.M.) and head 12 miles east; or, exit Highway 54 onto Highway 380 and head west 53 miles of Carrizozo, N.M. Turn on the Stallion Gate entrance and head south five miles of Highway 380. The gate is opened from 8:00 a.m. to 2:00 p.m. Visitors are allowed to enter and exit unescorted anytime during these special days.
For a pdf format New Mexico State highway map follow this link to the state's map page. Trinity Site is clearly marked below U.S. Highway 380 on the large road map.
2) Alamogordo Alternative - The Alamogordo Chamber of Commerce sponsors a convoy for visitors that desire a tour. The Alamogordo caravan meeting site will be at the Tularosa High School Athletic Field Parking lot. Turn west off Hwy. 54/70 in Tularosa at Higuero St. Proceed west to La Luz Ave. Turn right on La Luz Ave. (north) to athletic field. Line up will begin at 7 a.m. Caravan departs at 8 a.m. Visitors entering this way will travel as an escorted group to and from Trinity Site. The drive is 145 miles roundtrip and there are no service station facilities on the missile range. The convoy is scheduled to leave Trinity Site at 12:30 or 1 p.m., depending on its size, for the return to Tularosa. The convoy may leave later if there is a large number of vehicles returning.
Cameras are allowed at Trinity Site but their use is strictly prohibited anywhere else on White Sands Missile Range.
There are no ceremonies or speakers.
For more information contact the missile range Public Affairs Office at (505) 678-1134/1700.