Dyatlov Pass

The Dyatlov Pass incident (Gibel turgruppy Dyatlova, lit. 'Death of the Dyatlov Hiking Group') was an event in which nine Soviet ski hikers died in the northern part of the Ural Mountains ridge in the Russian SFSR on 1 or 2 February 1959 under undetermined circumstances. The experienced trekking group from the Ural Polytechnical Institute embarked on a difficult hike led by Igor Dyatlov, and had established a camp on the eastern slopes of Kholat Syakhl mountain. Overnight, the group cut their way out of their tent with knives and fled the campsite, inadequately dressed for the heavy snowfall, strong winds and extreme cold temperatures as low as −40 °C (−40 °F). After the group's bodies were discovered, an investigation by Soviet authorities determined that six of them had died from hypothermia while the other three had been killed by physical trauma. One victim had major skull damage, two had severe chest trauma, and another had a small crack in his skull. Four of the bodies were found in May 1959 lying in running water in a creek, and three of them had damaged soft tissue of the head and face – two of the bodies were missing eyes, one its tongue, and one its eyebrows. The investigation concluded that a "compelling natural force" (elemental force) had caused the deaths. Numerous theories have been put forward to account for the unex

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