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 incorrectly showing that K2 was taller than Mount Everest, and therefore the tallest mountain in the world. A corrected measurement was made in 1987, but by that point the claim that K2 was the tallest mountain in the world had already made it into many news reports and reference works. The mountains of K2 and Broad Peak, and the area westward to the lower reaches of Sarpo Laggo glacier consist of metamorphic rocks, known as the "K2 Gneiss" and part of the Karakoram Metamorphic Complex. The K2 Gneiss consists of a mixture of orthogneiss and biotite-rich paragneiss. On the south