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商丘古城湖,位于商丘市中心区南侧,睢阳区所在地。原为商丘古城的护城河,后经人工开挖形成现在的规模。商丘古城湖的水源为自然降雨和古宋河之水,城湖西北角有一引水渠与古宋河相连,自西北向流经西城门,绕着西城墙进入南城湖。湖面水域中建有东南西北四个堤,把湖区分割为四个湖,称为东湖、南湖、西湖、北湖,湖面呈方形,水面面积2.67平方千米,水深1～5米,水面窄处25米,宽处500米,汇水面积166.67公顷。城湖大堤周长9千米,高5米,顶阔6.6米,址宽20米。
Shangqiu ancient city lake, is located in Shangqiu downtown area south, the seat of Shenyang area. Former moat in Shangqiu city, after excavation to form the current scale. The water source of the ancient city of Shangqiu is natural rainfall and the water of the ancient Songhe River. There is a diversion canal connected with the ancient Songhe River in the northwest corner of Chenghu Lake. From the northwest to the west gate, it flows into Nancheng Lake around the west wall. Built in the lake waters are four embankments in the southeast, northwest and north of the lake. The lake is divided into four lakes, called East Lake, South Lake, West Lake and North Lake. The surface of the lake is square with a surface area of 2.67 square kilometers and a water depth of 1 to 5 meters. Meters, 500 meters wide, catchment area of 166.67 hectares. City Lake embankment circumference of 9 km, 5 meters high, 6.6 meters wide top, site width of 20 meters.