Tryokhgorny

Tryokhgorny (Russian: Трёхго́рный, lit. (a town of) three mountains) is a closed town in Chelyabinsk Oblast, Russia, located in the western part of the oblast 200 kilometers (120 mi) from Chelyabinsk. Population: 33,670 (2010 Census);^[2] 34,290 (2002 Census).^[5]

Tryokhgorny Трёхгорный
Town
View of Stroiteley Street (2019)
Flag Coat of arms
Location of Tryokhgorny
Tryokhgorny Location of Tryokhgorny Show map of Russia Tryokhgorny Tryokhgorny (Chelyabinsk Oblast) Show map of Chelyabinsk Oblast
Coordinates: 54°48′N 58°27′E
Country	Russia
Federal subject	Chelyabinsk Oblast[1]
Founded	January 24, 1952
Elevation	431 m (1,414 ft)
Population  (2010 Census)[2]
• Total	33,670
Administrative status
• Subordinated to	Town of Tryokhgorny[1]
• Capital of	Town of Tryokhgorny[1]
Municipal status
• Urban okrug	Tryokhgorny Urban Okrug[1]
• Capital of	Tryokhgorny Urban Okrug[1]
Time zone	UTC+5 (MSK+2 [3])
Postal code(s)[4]	456080–456082
OKTMO ID	75707000001
Website	admintrg.ru

History

On January 24, 1952, the Council of Ministers of the USSR issued decree No. 342—135сс/оп to build Plant #933 (Instrument Factory) for the production of atomic bombs.^{[citation needed]} 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 of Tryokhgorny—an administrative unit with the status equal to that of the districts.^[1] As a municipal division, the Town of Tryokhgorny is incorporated as Tryokhgorny Urban Okrug.^[1]

Closed status

The town is closed because a plant producing nuclear weapons is located there.