18 of the Federal Penitentiary Service of Russia in Yamalo-Nenets Autonomous Okrug, commonly known as the Polar Owl (Russian: Полярная сова, Polyarnaya sova) is a Russian prison located on the bank of the Sob River near the Polar Urals in the Kharp urban-type settlement.

[1] It is one of the seven supermax ("special regimen", in Russian terminology) corrective labor colonies operated by the Federal Penitentiary Service for convicts sentenced to life imprisonment in Russia.

In 2010–2012, there were reports in the media that some employees of the colony were involved in a scandal with the falsification of confession.

Some unscrupulous guards were suspected of beating testimonies from prisoners with the use of physical and psychological violence.

[2] According to Novaya Gazeta, the Federal Penitentiary Service for the Yamalo-Nenets Autonomous Okrug tried to hush up the case, since high-ranking officials could be involved in it.