South Ghujerab Mountains which lies the Karakoram Highway leading to Khunjerab Pass. On the west, the South Ghujerab Mountains are bounded by the Hunza River and its tributary, the lower Khunjerab River. South Ghujerab Mountains The South Ghujerab Mountains are a subrange of the Karakoram range in the Northern Areas of Pakistan. The highest peak in the range is Karun Koh, 7,164 m (23,503 ft). This is the only 7,000 metre peak in the range (if indeed it is over 7,000 metres, which is disputed.) On the south, the range is separated from the Hispar Muztagh by the valley of the Shimshal River.
K2 unable to keep pace. The mountain was first surveyed by a European survey team in 1856. Team member Thomas Montgomerie designated the mountain "K2" for being the second peak of the Karakoram range. The other peaks were originally named K1, K3, K4, and K5, but were eventually renamed Masherbrum, Gasherbrum IV, Gasherbrum II, and Gasherbrum I, respectively. In 1892, Martin Conway led a British expedition that reached "Concordia" on the Baltoro Glacier. The first serious attempt to climb K2 was undertaken in 1902 by Oscar Eckenstein, Aleister Crowley, Jules Jacot-Guillarmod, Heinrich Pfannl, Victor Wessely, and Guy Knowles via the Northeast