Nuclear test sites in Kazakhstan

Kazakhstan is home to the Semipalatinsk Test Site, also known as the Semipalatinsk Polygon. It was one of the world's largest nuclear testing sites, used by the Soviet Union for nuclear weapons testing from 1949 until 1989. During this period, over 450 nuclear tests were conducted, which included atmospheric, underground, and underwater tests.

Degelen, specifically known as the Degelen Mountains, is a mountain range located in Kazakhstan. It is part of the larger Altai Mountains system and is situated near the Semipalatinsk Test Site, which was a significant site for nuclear testing during the Soviet era. The region has a complex geological history and is known for its diverse flora and fauna.