Gasherbrum, also known as K5, is the 11th highest mountain in the world and is often referred to as the hidden mountain due to its remoteness. The name "Gasherbrum" means "The shining wall" or "beautiful." It was first climbed in 1958 by Pete Schoening, Andy Kauffman, and 8 others. Situated in tight clusters on the upper reaches of the Baltoro Glacier, the mountain offers a challenging ascent from its base.

Climbers typically start the ascent from the bottom of the mountain, carrying all necessary gear without the need for route preparations or oxygen cylinders. Despite its ranking among the highest peaks, Gasherbrum is not as popular or well-known as other 8000-meter peaks. However, it is one of the peaks with the least recorded deaths, emphasizing its remote and challenging nature.

The most common route to Gasherbrum is taken from the west, leading to the Japanese Couloir located in the northwest. The first winter ascent was achieved in 2012 by Poles Bielecki and Golab. Climbers need to obtain permits from Islamabad to climb Gasherbrum I, adding to the logistical challenges of scaling this formidable peak.