自丹棱总杠山出发,流经夹江县东北部,在小三峡上游注入岷江。这就是岷江主要支流之一的金牛河。金牛河在古代又叫做金流河,清代学者、诗人王渔洋在《蜀道驿程记》里,便是称作此名(见《嘉定府志·艺文志》)。时间再往上移一千余年,大概因它经常发生洪灾,给沿河民众带来灾难之缘故,金牛河在丹棱县境内的一段,被叫做“难江”。后来,民间流传着一个令人叹息的故事:金牛河边有口深井,井里用一株施了魔法的南瓜藤拴住一头 Starting from Danling Main Barrier Hill, flows through the northeast of Jiajiang County and injects Minjiang River into the upper reaches of the Three Gorges. This is the Jinniu River, one of the major tributaries of the Minjiang River. Jinniu River is also called Jinliu River in ancient times. Qing dynasty scholar and poet Wang Yuyang called it “Ji’dian Zhi Yi Wen Zhi.” Time and then move up more than a thousand years, probably because of its frequent flooding, to bring disaster to the people along the river’s sake, Jinniu River in Danleng County section, is called “difficult river ”. Later, the folk circulated a sigh of the story: Jinniu River mouth deep wells, wells with a magic pumpkin vine tied to a