Khunjrab pass name is derived from Wakhi 'Khun' means Home and 'Jerav' means spring water/water falling at an elevation of 4690 is a high mountain pass in the Karakoram Mountains in strategic position on the northern border of Pakistan's Gilgit–Baltistan on the southwest border of the Xinjiang region of China. On the Pakistani side, the pass is 42 km (26 mi) from the National Park station and checkpoint in Dih, 75 km (47 mi) from the customs and immigration post in Sost, 270 km (170 mi) from Gilgit, and 870 km (540 mi) from Islamabad. The long, relatively flat pass is often snow-covered during the winter season and closed from November 30 to May 1.