水洞沟是解放前就发现并且经过挖掘的三个著名旧石器时代文化遗址之一,位于宁夏灵武市横城古渡口不远处的明长城南边,新建的银川黄河大桥之东不远处。沿着长城方向有一条由东向西的小河把水洞沟切成南北两部分,北边的断崖和古城堡是主要的文物发现地。由西向东的银古公路旁,那长龙般的古长城仿佛把人们带到了遥远的过去。顺着长城向东便可见一座 Shuidonggou is one of three well-known Paleolithic cultural sites discovered before excavation and excavated. It is located south of the Great Wall, not far from the Hengshui ancient ferry in Lingwu City, Ningxia. The newly built Yinchuan Yellow River Bridge is just a short distance away. Along the Great Wall, there is a river running from east to west dividing the dug into two parts. The northern cliffs and the ancient castle are the major cultural relics found. From the west to the east of the silver ancient road, the long ancient dragon-like city seems to bring people to the distant past. Down the Great Wall can be seen east