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

closed town A closed city or town is a settlement where travel or residency restrictions are applied. Historically, the construction of closed cities became increasingly common after the beginning of the Cold War, particularly in the Soviet Union. Since t ...

Chelyabinsk Oblast Chelyabinsk Oblast; , is a federal subjects of Russia, federal subject (an oblast) of Russia in the Ural Mountains region, on the border of Europe and Asia. Its administrative center is the types of inhabited localities in Russia, city of Chel ...

Russia Russia, or the Russian Federation, is a country spanning Eastern Europe and North Asia. It is the list of countries and dependencies by area, largest country in the world, and extends across Time in Russia, eleven time zones, sharing Borders ...

, located in the western part of the

oblast An oblast ( or ) is a type of administrative division in Bulgaria and several post-Soviet states, including Belarus, Russia and Ukraine. Historically, it was used in the Russian Empire and the Soviet Union. The term ''oblast'' is often translated i ...

from

Chelyabinsk Chelyabinsk; , is the administrative center and largest types of inhabited localities in Russia, city of Chelyabinsk Oblast, Russia. It is the List of cities and towns in Russia by population, seventh-largest city in Russia, with a population ...

. Population:

History

On January 24, 1952, the

Council of Ministers Council of Ministers is a traditional name given to the supreme Executive (government), executive organ in some governments. It is usually equivalent to the term Cabinet (government), cabinet. The term Council of State is a similar name that also m ...

of the USSR issued decree No. 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 or atomic bomb) or a combination of fission and fusion reactions (thermonuclear weapon), producing a nuclear expl ...

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 type of a human settlement, generally larger than a village but smaller than a city. The criteria for distinguishing a town vary globally, often depending on factors such as population size, economic character, administrative stat ...

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 ...

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

Closed status

The town is closed because a plant producing

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

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