Trinity Site Open House
Trinity Emblem

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. 


Dates for the Trinity Site Open House are changing to the second Saturday in April and October starting in 2022.  The next Trinity Site Open House is scheduled for April 9, 2022.

 Date and Time

 April 9, 2022 


October 8, 2022

The second Saturday in

April and October.

 Stallion Gate Hours:

 8 a.m. - 2 p.m.

 Trinity site prompt closure:

3:30 p.m.

 Alamogordo Caravan

Due to the annual increase in the number of visitors to the Trinity Site Open Houses. The Alamogordo caravan is only open to the first 125 vehicles.  The limit is necessary to maintain a safe environment enroute to Trinity Site.  All others will have to enter the site through the Stallion Gate located off U.S. Highway 380, View directions here.  The route is approximately the same time and distance as the caravan route.

 Members of the Press

Members of the press who would like to cover the upcoming Trinity Site open house must register with our Public Affairs Office.  Please click the media registration link below to register:

Media Registration For Trinity Site Open House (

 Trinity Site Videos

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Trinity Video
This page was last updated on 10/5/2021 7:46 AM