Introduction to Yilik: Yilik is a valley basin surrounded by mountains on three sides in the upper reaches of the Yarkand River. Entry and exit from the Karakoram Pass must pass through this place, so it is an important military fortress with troops stationed and border inspections. stand. Starting from Ilik, the entire hiking route is about 120 kilometers long and lasts 6-8 days. During this period, you need to travel with a pack team to cross dangerous sections such as rivers. The camel team is assembled from nearby herdsmen.