Crescent Lake is a scenic lake located in the city of Dunhuang in Gansu Province, China. It is surrounded by sand dunes and sandstone formations and is an important tourist destination for those visiting the nearby UNESCO World Heritage Site, the Mogao Caves.

The lake is named for its shape, which resembles a crescent moon. It is approximately 3 kilometers long and surrounded by lush greenery, making it a popular place for picnics and relaxing. There are also several temples and pagodas around the lake, which add to its cultural significance.

One of the main attractions at Crescent Lake is the beautiful Lotus Temple, which is located in the center of the lake and can only be reached by boat. Visitors can also enjoy a scenic boat ride around the lake, which offers stunning views of the surrounding sand dunes and sandstone formations.