Định Bình Reservoir () is a large artificial freshwater lake in Vĩnh Thạnh District, Bình Định Province, Vietnam.Hồ thủy lợi Định Bình Wikimapia Work began creating the dam on Côn River in May 2003. It has a capacity of 226 million cubic metres. The lake and dam are expected to provide irrigation for some 12,545 hectares (over 48 square miles). References