Muztagh Tower Muztagh Tower Muztagh Tower (), also: Mustagh Tower; "Muztagh": ice tower), is a mountain in the Baltoro Muztagh, part of the Karakoram range in Baltistan on the border of the Gilgit–Baltistan region of Pakistan and the Xinjiang Uyghur Autonomous Region of China. It stands between the basins of the Baltoro and Sarpo Laggo glaciers. The Mustagh Tower was the subject of a photograph taken by Vittorio Sella during the 1909 Italian expedition to K2. Taken from the upper Baltoro, due southeast of the mountain, the twin summits were perfectly aligned and the mountain was seen as a slender tooth, and
K2 name K2 is derived from the notation used by the Great Trigonometric Survey of British India. Thomas Montgomerie made the first survey of the Karakoram from Mount Haramukh, some to the south, and sketched the two most prominent peaks, labeling them K1 and K2. The policy of the Great Trigonometric Survey was to use local names for mountains wherever possible and K1 was found to be known locally as Masherbrum. K2, however, appeared not to have acquired a local name, possibly due to its remoteness. The mountain is not visible from Askole, the last village to the south, or from