Dyatlov Pass — Kholat Syakhl, 1959

OVERVIEW

Nine Soviet ski hikers from the Ural Polytechnical Institute, led by the 23-year-old radio engineering student Igor Dyatlov, died on 1 or 2 February 1959 on the eastern slope of Kholat Syakhl in the northern Urals. Overnight the group cut their way out of their tent with knives and fled, inadequately dressed, into heavy snow, strong wind and temperatures as low as −40 °C. A pass nearby was later named Dyatlov Pass in their memory, although the camp was about 1,700 m away on the slope of Kholat Syakhl.

HISTORY

Searchers found the abandoned, badly damaged tent on 26 February; investigators said it had been cut open from inside, and nine sets of tracks — in socks, a single shoe or barefoot — led 1.5 km down to the edge of the woods. Six of the hikers had died of hypothermia and three of physical trauma: one with major skull damage, two with severe chest injuries. Four bodies found in May lay in running water in a creek, and some had lost soft tissue of the head and face. The Soviet investigation concluded that a 'compelling natural force' had caused the deaths, closed in May 1959 with no guilty party, and sent its files to a secret archive. Russian authorities reopened the case in 2019, considering only an avalanche, a slab avalanche or a hurricane; on 11 July 2020 Andrey Kuryakov of the Prosecutor-General's office announced an avalanche as the official cause — 'It was a heroic struggle. There was no panic, but they had no chance to save themselves under the circumstances.'

REPORTED ACTIVITY

Theories have included animal attack, a UFO or ball lightning, infrasound-induced panic, katabatic winds, conflict with local people or fugitives, a spy meeting, and military rocket or nuclear testing. In 2021 a team led by Johan Gaume (EPFL) and Alexander Puzrin (ETH Zürich) published a simulation in Communications Earth & Environment showing how a small slab avalanche on the 28° slope above the tent could cause damage and injuries consistent with the victims'. Objections remain: critics note no obvious avalanche signs at the site, and a 2019 Swedish–Russian expedition proposed a violent katabatic wind instead.

VISITING

The site is on a remote mountain slope of the northern Urals; a rock outcrop about 500 m east-southeast of the last camp serves as a memorial to the group.