Mount Kosvinsky Kamen, Kosvinsky Mountain, Kosvinski Mountain, Kosvinsky Rock or Rostesnoy Rock () is a mountain in the northern Urals, Sverdlovsk Oblast, Russia.Brockhaus and Efron describe its location within the Russian Empire as Verkhoturye uyezd, Perm Governorate, in the okrug of the Bogoslovsky copper plant (Богословский медноплавильный завод)Косвинский камень, Brockhaus and Efron Encyclopedic Dictionary
Its summit is bare of vegetation with an uneven rocky surface and small lakes fed by melting snow. The Kosva River flows from the mountain, hence the name.
The Great Soviet Encyclopedia describes Kosvinsky Rock as "mountain massif" of height 1,519 m.Brockhaus and Efron say that its elevation is 2,375 ft., mountain foot circumference is about 40 km. Its constitution is pyroxenites and dunites of lower and middle Paleozoic era. The slopes are covered with conifers with some birch up to 900–1,000 m, with alpine tundra above."Косвинский камень," Great Soviet Encyclopedia
Military According to Jane's Defence Weekly, a command post bunker was built near the mountain as of 1994.Jane's Defence Weekly 25 June 1994, 32, via Austin and Muraviev, The Armed Forces of Russia in Asia, 2001. It was designed to resist US earth penetrating weapons and serves a similar role as the American Cheyenne Mountain Complex. The timing of the Kosvinsky completion date is regarded as one explanation for US interest in a new nuclear bunker buster and the declaration of the deployment of the B61 Mod 11 in 1997: Kosvinsky is protected by about of granite.
US analysts believe that the command post of the Perimeter system is in the bunker under Kosvinsky Kamen mountain.Ron Rosenbaum, Slate magazine "The Return of the Doomsday Machine?", 31 August 2007.
See also Mount Yamantau - another Soviet/Russian subterranean facility
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