Bottleneck (K2) Bottleneck (K2) The Bottleneck is a location along the South-East Spur, known also as Abruzzi Spur— the most used route to the summit of K2, the second-highest mountain in the world, in the Karakoram, on the border of Pakistan and China. The Bottleneck is a narrow couloir, which is overhung by seracs from the ice field east of the summit. The couloir is located only 400m below the summit, and climbers have to traverse about 100m exposed to the seracs to pass it. Due to the height (8200m) and the steepness (50-60 degrees) this stretch is the most dangerous part
Geography of Gilgit–Baltistan the 19th-highest mountain in the world. Main rivers in the Gilgit District are: There are many tributaries of the aforementioned rivers, some of which are the Ghujerab River, the Shimshal River, the Hispar River, and the Naltar River. The capital of the Skardu District is Skardu town. Skardu was part of Ladakh before the partition of Kashmir in 1948. The Baltoro Muztagh, the subrange of the Karakoram that includes the mighty peaks of K2 (8,611 m), Broad Peak (8,047 m), the Gasherbrums (8,000+ meters) and Masherbrum (7,821 m), is included in the Skardu District. Askole is the last settlement in