Please make sure to check for the most up-to-date information before planning your visit.
April 4, 2020 and October 3, 2020
The first Saturday in April and October.
Stallion Gate Hours: 8 a.m. – 2 p.m.
Trinity site closes promptly at 3:30 p.m.
The year 2020 marks the 75th anniversary of the Trinity Site test.
Please expect longer than normal wait times getting on the installation.
This event is free and open to the public. No reservations are required.
For more details click on the information links/short videos below
or contact the WSMR Public Affairs Office at 575-678-1134.
(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. On open house days, this gate is open for entrance from 8 a.m. to 2 p.m. Trinity Site closes at 3:30 p.m. Visitors are allowed to enter and exit through this gate unescorted anytime during these special days.
Trinity Site is clearly marked below U.S. Highway 380 on the State of New Mexico highway map.
(2) Alamogordo Alternative – The Alamogordo Chamber of Commerce sponsors a convoy for visitors. The Alamogordo caravan meeting site is 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. Vehicle 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.
