Built in 1972, it is also known as the Yonghong Reservoir, implying that it was built to respond to Chairman Mao's call for the construction of water conservancy. As its name indicates, the lake extremely seems to be a lute in shape. It lies against mountains in a picturesque setting of steep valleys and dense forests. It has an easy access to tourist facilities as a major tourist destination on the way of Boutique Route of Canyon.