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
Gilgit-Baltistan to the north, and the Hindu Kush lies to the west. Amongst the highest mountains are K2 (Mount Godwin-Austen) and Nanga Parbat, the latter being one of the most feared mountains in the world. Three of the world's longest glaciers outside the polar regions are found in Gilgit-Baltistan: the Biafo Glacier, the Baltoro Glacier, and the Batura Glacier. There are, in addition, several high-altitude lakes in Gilgit-Baltistan: The Deosai Plains, are located above the tree line and constitute the second-highest plateau in the world at 4,115 metres (14,500 feet) after Tibet. The plateau lies east of Astore, south of Skardu