Latitude and longitude of Semipalatinsk Test Site
- In Kazakhstan
Satellite map of Semipalatinsk Test Site
The Semipalatinsk Test Site (STS or Semipalatinsk-21), also known as "The Polygon", was the primary testing venue for the Soviet Union's nuclear weapons. It is located on the steppe in northeast Kazakhstan (then the Kazakh SSR), south of the valley of the Irtysh River.
Latitude: 50° 06' 60.00" N
Longitude: 78° 42' 59.99" E