Yangcheng Lake () is a freshwater lake about northeast of the city of Suzhou in Jiangsu Province, and ranges in depth from . The lake is -long from north to south, with an average width of from east to west. It is the most famous area of origin for the Chinese mitten crab, which is considered a delicacy. Yangcheng lake is located between Lake Tai and the Yangtze River. It crosses the boundary of the cities Suzhou, Changshu and Kunshan and has a surface area of about . The -long Yangcheng West Lake Tunnel (阳澄西湖隧道) runs underneath the lake, and the lake itself is served by both a mainline hight-speed railway station Yangchenghu railway station & a station of the Suzhou Rail Transit system; Yangchenghu South station. The Chinese mitten crabs migrate from Yangcheng Lake towards the Yangtze delta for mating in September and October. The local fishermen harvest the animals during this migration. In 2002, the total production of Chinese mitten crabs in Yangcheng Lake was estimated to be about . References External links China Daily article on faked origins of Hairy Crabs Article on the lake and the crab by the Suzhou government Lakes of Suzhou