K2 is the second highest mountain in the world, at 8,611 metres (28,251 ft). It is also known as Mount Godwin-Austen or Chhogori.[2] K2 is part of the Karakoram range. It is located in Pakistan.[3]The name K2 came from the first survey of Karakoram. At that time, the surveyors gave each mountain a simple label of "K" followed by a number.