, USY: Қаракөл, lit. black lake), is a lake located 196 km southwest of Kashgar, Xinjiang Uyghur Autonomous Region of China. It is located in Akto County, Kizilsu Kirgiz Autonomous Prefecture on the Karakoram Highway, before reaching Tashkurgan, the Khunjerab Pass on the China - Pakistan border and Sost in Pakistan.