 In September 1928, three mountaineers -the Germans and Karl Wien, and the Austrian - from a Soviet-German scientific expedition, made the first attempt to reach the highest point of the Trans-Alai Range, which at that time had the name Kaufman Peak.They started climbing upstream of the Saukdara river along the South slope of Trans-Alai Range also Trans-Alay Range.From the river head they continued climbing along the Greater Saukdara Glacier towards a saddle at an elevation of 5820 m (this saddle is also known as the Krilenko Pass).