红水河、珠江的源头在历史上一直是个谜。北魏郦道元所撰的《水经注》只提到温水、豚水,即南盘江、北盘江,却没有红水河、珠江源头的记载。明末大旅行家、地理学家徐霞客当年曾经到过云南省沾益县。他是历史上第一个寻找红水河和珠江源头的名人。但他两次都投宿在当地富豪龚起潜家,主人十分肯定地告诉徐霞客:红水河源头不在沾益 The Red River, the source of the Pearl River in history has always been a mystery. The Northern Wei Dynasty Tao Yuan Yuan’s “Notes by the water” only refers to the warm water, the dolphin water, that is, Nanpanjiang, Beipanjiang, but not the Red River, the source of the Pearl River. At the end of Ming Dynasty, Xu Xiake, a great traveler and geographer, had been to Zhanyi County in Yunnan Province. He is the first person in history to find the source of the Red River and the Pearl River. However, both of his lodging in the local rich Gongqi home, the owner is very sure to tell Xu Xiake: the source of the Red River is not Zhanyi