Siniolchu is one of the tallest mountains of the Indian state of Sikkim. The mountain is considered to be particularly aesthetically attractive, having been described by Douglas Freshfield as "the most superb triumph of mountain architecture and the most beautiful snow mountain in the world". It is situated near the green lake adjacent to Kangchenjunga. Climbing history Siniolchu's summit was first scaled in 1936 by the German climbers Karl Wien and Adi Göttner. Later Sikkimese Everest climber Sonam Gyatso also scaled the top. References Mountains of Sikkim Six-thousanders of the Himalayas