K2, also known as Mount Godwin-Austen or Chhogori is the second highest mountain in the world, after Mount Everest (8,848 metres), at 8,611 metres (28,251 ft) above sea level. It is located on the China–Pakistan border between Baltistan, in the Gilgit-Baltistan region of northern Pakistan, and the Taxkorgan Tajik Autonomous County of Xinjiang, China. K2 is the highest point of the Karakoram range and the highest point in both Pakistan and Xinjiang.(Wikipedia)