As is true of all the South Korean mainland, there are no natural lakes in Suwon. There are, however, many small reservoirs, namely Seoho () near Hwaseo Station, Ilwon Reservoir () near Sungkyunkwan University, Bambat Reservoir () near Sungkyunkwan University Station, Ilwang Reservoir () in Manseok Park, Pajang Reservoir () near the North Suwon exit of the Yeongdong Expressway, Gwanggyo Reservoir () at the foot of Gwanggyosan, Woncheon and Sindae Reservoirs ( & ) near Ajou University (), Geumgok Reservoir (), a small reservoir at the foot of Chilbosan, and the larger Wangsong Reservoir (), located mainly in the city of Uiwang, but its dam located in Suwon.