Tryokhgorny (russian: Трёхго́рный, lit. ''(a town of) three mountains'') is a

closed town A closed city or closed town is a settlement where travel or residency restrictions are applied so that specific authorization is required to visit or remain overnight. Such places may be sensitive military establishments or secret research ins ...

Chelyabinsk Oblast Chelyabinsk Oblast (russian: Челя́бинская о́бласть, ''Chelyabinskaya oblast'') is a federal subject (an oblast) of Russia in the Ural Mountains region, on the border of Europe and Asia. Its administrative center is the city ...

Russia Russia (, , ), or the Russian Federation, is a List of transcontinental countries, transcontinental country spanning Eastern Europe and North Asia, Northern Asia. It is the List of countries and dependencies by area, largest country in the ...

, located in the western part of the

oblast An oblast (; ; Cyrillic (in most languages, including Russian and Ukrainian): , Bulgarian: ) is a type of administrative division of Belarus, Bulgaria, Kazakhstan, Kyrgyzstan, Russia, and Ukraine, as well as the Soviet Union and the Kingdom of ...

from

Chelyabinsk Chelyabinsk ( rus, Челя́бинск, p=tɕɪˈlʲæbʲɪnsk, a=Ru-Chelyabinsk.ogg; ba, Силәбе, ''Siläbe'') is the administrative center and largest city of Chelyabinsk Oblast, Russia. It is the seventh-largest city in Russia, with a ...

. Population:

History

On January 24, 1952, the

Council of Ministers A council is a group of people who come together to consult, deliberate, or make decisions. A council may function as a legislature, especially at a town, city or county/shire level, but most legislative bodies at the state/provincial or natio ...

of the USSR issued decree № 342—135сс/оп to build Plant #933 (Instrument Factory) for the production of

atomic bomb A nuclear weapon is an explosive device that derives its destructive force from nuclear reactions, either fission (fission bomb) or a combination of fission and fusion reactions (thermonuclear bomb), producing a nuclear explosion. Both bomb ...

s. Konstantin Volodin headed the new plant. On April 9, 1952, first construction workers arrived to the area.

Administrative and municipal status

Within the framework of administrative divisions, it is incorporated as the

Town A town is a human settlement. Towns are generally larger than villages and smaller than cities, though the criteria to distinguish between them vary considerably in different parts of the world. Origin and use The word "town" shares an ori ...

of Tryokhgorny—an administrative unit with the status equal to that of the

districts A district is a type of administrative division that, in some countries, is managed by the local government. Across the world, areas known as "districts" vary greatly in size, spanning regions or counties, several municipalities, subdivisions o ...

.Resolution #161 As a municipal division, the Town of Tryokhgorny is incorporated as Tryokhgorny Urban Okrug.

Closed status

The town is

closed Closed may refer to: Mathematics * Closure (mathematics), a set, along with operations, for which applying those operations on members always results in a member of the set * Closed set, a set which contains all its limit points * Closed interval, ...

because a plant producing

nuclear weapons A nuclear weapon is an explosive device that derives its destructive force from nuclear reactions, either fission (fission bomb) or a combination of fission and fusion reactions (thermonuclear bomb), producing a nuclear explosion. Both bomb ...

is located there.

References

Notes

Sources

External links

Official website of Tryokhgorny

Tryokhgorny plant
{{Use mdy dates, date=November 2011 Cities and towns in Chelyabinsk Oblast Nuclear weapons program of the Soviet Union Closed cities Naukograds Populated places established in 1952 1952 establishments in the Soviet Union