The average water depth is 2.5 meters. The total area is 627 square kilometers, the perennial water surface 124.3 square kilometers, the average water depth is 2.5 meters, and the total storage capacity is 300 million cubic meters. Dongqing Lake Wetland Park is located in Dongguan. Wetland not only provides a good place for sightseeing and leisure for the surrounding people, but also takes into account the functions of water storage, flood control and dispatching. Here, there are vast waterways and wild birds.