出郑州西北行20余公里,从黄河铁路大桥南端往西穿过黄河游览区,顺岭西行大约八九里路,便到了楚河汉界——鸿沟。鸿沟最早为古运河名,又名广武涧。战国中期,地处七雄中央的魏国,为了加强对黄淮地区的控制,从今荥阳东北的广武涧,“入河水于圃田,又为大沟而行圃水者也”(《水经注 Out of the northwest of Zhengzhou more than 20 kilometers, from the southern tip of the Yellow River Railway Bridge across the Yellow River west tour area, Shun Ling westbound about eighty-nine road, then to the Chu-han boundary - divide. Gap first name for the ancient canal, also known as Guangwu stream. In the middle period of the Warring States Period, Wei State, located in the central part of the Qixiong, strengthened its control over the Huanghuai area. From the Guangwu Stream to the northeast of Shenyang, After the note