K2 Mountain in China, Pakistan is the important mountain. K2 is the second-highest mountain on Earth. It is located in the Karakoram segment of the Himalayan range. K2 is notable for its local relief as well as its total height. It stands over 3,000 m above much of the glacial valley bottoms at its base. His degree of steepness, at this vertical scale, in so many different directions, is unmatched in the world.