Dead Mountain: The Dyatlov Pass Case File

On January 27th, 1959, nine certified Soviet mountaineers set up camp on a slope in the northern Urals. That night, they cut through their tent from the inside, walked out into minus-thirty-degree cold in their socks, and never came back. The Soviet investigation closed four months later. Cause of death: an unknown compelling force.

This is the case file.

For the full visual reconstruction — the documents and photographs shown side by side — the case file is open at https://youtu.be/zFR2ZzRuohQ

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THE DEAD DROP ARCHIVES Forensic documentary. Primary sources only. New case files open regularly.

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PRIMARY SOURCES — THIS EPISODE — Delo No. 1 — Soviet investigation file, 1959: https://dyatlovpass.com/case-files — Russian Prosecutor General's Office 2019 re-investigation: https://genproc.gov.ru — Gaume, J. & Puzrin, A. — slab avalanche / impact modeling, Communications Earth & Environment (2021) — Dyatlov Foundation hiker biographies and recovered photographs: https://dyatlovpass.com/hikers — Eichar, Donnie. Dead Mountain. Chronicle Books, 2013.

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THE ARCHIVE Full visual reconstructions: https://www.youtube.com/@TheDeadDropArchives Unredacted source documents + annotated research logs: https://patreon.com/c/DeadDropArchives Case Files Dispatch newsletter: https://deaddroparchives.substack.com Join the investigation (Discord): https://discord.gg/deaddroparchives Reddit: r/DeadDropArchives

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The archive is open | deaddroparchives.com