Mutianyu Great Wall is a section of the Great Wall of China located in Huairou County 70 kilometres northeast of central Beijing. The Mutianyu section of the Great Wall is connected with Jiankou in the west and Lianhuachi in the east.

The Mutianyu section of the Great Wall is a masterpiece of restoration, with 23 original-style watchtowers. Mutianyu is the longest fully-restored Great Wall section open to tourists.