Mt. Nun is located in Suru valley near Kargil in Leh area of J&K Himalaya. Mt. Nun is one of the technically difficult seven thousander peaks, which is always challenging to the mountaineers. The climb is technically difficult and risky especially in the icefall zone before the plateau because it has very big hidden crevasses at an altitude of 5600mts.

The Nun Kun mountain massif comprises a pair of Himalayan peaks: Nun, 7,135 m (23,409 ft) and Kun .Nun is the highest peak in the part of the Himalayan range lying on the Indian side of the Line of Control in Jammu and Kashmir. The massif is located near the Suru valley, about 250 km (160 mi) east of Srinagar, the state capital.
Nun is located south of Kun and is separated from it by a snowy plateau of about 4 km (2.5 mi) in length. Pinnacle Peak, 6,930 m (22,736 ft), is the third highest summit of the group.