白河出伏牛山后向东南流去,通过鸭河口水库后转向正南,在南阳市北面的独山处折向西南,由此形成了一个宽厚的怀抱,南阳城就躺在这怀抱里。《水经注》“淯水又西南经史定伯碑南,又西为爪里津,水上有三梁,谓之爪里度。自宛道途”。白河入汉水,汉水入长江,长江入东海。昔日,云、贵,川、康、鄂、湘、沪、穗等地的北运货物均由长江走汉水,经白河抵南阳,然后由南阳运往北方各地。因此,古时南阳是一个很繁华的水陆码头,是南北货物的主要集散地,给南阳经济带来过“南船北马, After the White River flows out to the southeast, it flows through the Duhekou Reservoir and turns to the south. At Dushanzhuang in the north of Nanyang City, it turns to the southwest, forming a generous embrace, where Nanyang City lies. ”Water by the note,“ ”swill water and the Southwest by the history of Dingbei monument south, west claw Lijin, water has three beams, that the claws in degrees. White River into the Han River, Han River into the Yangtze River, the Yangtze River into the East China Sea. In the past, goods transported by the north, northwestern Yunnan, Guizhou, Sichuan, Hong Kong, Hong Kong, Hunan, Shanghai and Guangzhou all went from Hanjiang River to the Yangtze River and from Nanyang to Nanyang via the Baihe River. Therefore, in ancient times Nanyang is a very prosperous land and water terminal, is the main distribution center of North and South goods to Nanyang economy has brought "South Ship North Horse,