 Bottleneck (K2)

The Bottleneck is a location along the South-East Spur (also known 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.