Mutou Valley is located in the Flaming Mountains, near the ancient oasis city of Gaochang on the rim of the Taklamakan Desert in the Xinjiang Autonomous Region, China. Under a cliff in the Mutou Valley is located the Bezeklik Thousand Buddha Caves, a complex of Buddhist caves temples dating from the 5th to the 9th centuries.

42°56′05″N 89°34′18″E / 42.9347222322°N 89.5716666767°E / 42.9347222322; 89.5716666767