Minuteman Missile National Historic Site is a National Historic Site in South Dakota. The NPS currently lists 1 active alert, 0 campgrounds and 1 visitor center, and no entrance fee.
“During the Cold War, a vast arsenal of nuclear missiles were placed in the Great Plains. Hidden in plain sight, for thirty years 1,000 missiles were kept on constant alert; hundreds remain today. The Minuteman Missile remains an iconic weapon in the American nuclear arsenal.”
Active alerts
1
Closures
0
Campgrounds
0
Visitor centers
1
Current alerts and closures
1 active NPS alert as of Oct 28, 2026: 0 closures, 0 danger, 1 caution and 0 information.
Caution
Warning about GPS Systems!
Vehicle Navigation Systems and GPS units may provide inaccurate information—sending drivers the wrong way on one-way roads, leading them to dead ends in remote areas, or sending them on roads which are impassable. Use the Interstate exits for wayfinding.
Gaze Armageddon in the face with a visit to the Delta-09 missile silo. The viewing enclosure over the silo allows for visitors to gaze directly down at a Minuteman II missile. Consider the meaning of 1.2 megatons of destructive power hidden in plain sight.
The Passport program was started by Eastern National in 1986 and was established to help visitors discover the beauty and history found in America’s national parks. Cancellation stamps can be found at national parks and monuments.
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Operating hours
Visitors are invited to go inside the fenced compound and look down into the silo at a Minuteman missile in its historic state, protected by a glass viewing enclosure.
Delta-09 Missile Silo
Day
Hours
Monday
9:00AM - 3:00PM
Tuesday
9:00AM - 3:00PM
Wednesday
9:00AM - 3:00PM
Thursday
9:00AM - 3:00PM
Friday
9:00AM - 3:00PM
Saturday
9:00AM - 3:00PM
Sunday
9:00AM - 3:00PM
Weather: Rapid weather changes are common in the western South Dakota area where Minuteman Missile National Historic Site is located. Variations from season to season and from year to year are great.
Data: National Park Service (NPS) Data API, U.S. Department of the Interior (developer.nps.gov). This product uses the NPS Data API but is not endorsed or certified by the National Park Service. The National Park Service and the U.S. Department of the Interior do not endorse OpenParks. Photos are NPS images shown with their original credits; park descriptions are short excerpts credited to the NPS. Always confirm current conditions on nps.gov before you travel.