Karakoram of the ice-age valley glacier branches and main valley glaciers, had lengths up to . During the Ice Age, the glacier snowline was about lower than today. The highest peaks of the Karakoram are: The majority of the highest peaks are in the Gilgit–Baltistan region of Pakistan. Baltistan has more than 100 mountain peaks exceeding height from sea level. The naming and division of the various subranges of the Karakoram is not universally agreed upon. However, the following is a list of the most important subranges, following Jerzy Wala. The ranges are listed roughly west to east. From west to
Karakoram them exceeding : K2, the second highest peak in the world at , Gasherbrum I, Broad Peak and Gasherbrum II. The range is about in length, and is the most heavily glaciated part of the world outside the polar regions. The Siachen Glacier at and the Biafo Glacier at rank as the world's second and third longest glaciers outside the polar regions. The Karakoram is bounded on the east by the Aksai Chin plateau, on the northeast by the edge of the Tibetan Plateau, and on the north by the river valleys of the Yarkand and Karakash rivers beyond which