The Baltoro Glacier (Balti: བལྟོརོ་གངས།, romanized: Baltoro gangs, lit. 'Bone breaker'; Urdu: بالتورو گلیشیر) is a glacier located in the Shigar District of the Gilgit-Baltistan region in Pakistan. It stretches for 63 km (39 mi) in length. It is one of the longest glaciers outside the polar regions. It is home to some of the world’s highest mountains. It runs through the Karakoram mountain range, close to K2, which is the second highest peak in the world, reaching an elevation of 8,611 meters (28,251 feet). Within a 20-kilometer radius, there are three more mountains with elevations exceeding 8,000 meters.