Central Karakoram National Park the world and the largest protected area in Pakistan. It covers about in the Central Karakoram mountain range. It varies in altitude from above sea level to the summit of chogori K2, the world's second highest mountain at . There are three other mountains over , Gasherbrum I (), Gasherbrum II () and phalchanri Broad Peak (), and sixty mountains over . The park also includes the Baltoro, Panmah, Biafo and Hispar glaciers and their tributary glaciers and is considered to be one of the most beautiful national parks in Pakistan. In 2013 it was stated that the exact boundaries
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