July 1956 hike and water trek category II in Southern Ural, Bashkortostan: city of Zlatoust - Zyuratkul lake - Mt. Iremel - Yuryuzan river - Mt Yaman Tau - Small Inzer river
Nikolay Tregubov (leader),
Igor Dyatlov *, Zina Kolmogorova, Yuri Volegov, Nina Oshtepkova, N. Reneva, Lyuba Sokolova, Genadiy Starobudsev, Y. Sharninym
*Nikolay Tregubov in 2016 said that they went without Dyatlov, who at that time was on a trek in the Sayan Mountains.