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新丰江是广东东江的主要支流之一,屬于珠江水系,發源于新丰县梅坑水燕尾窩。东流經新丰、科罗,轉向东南,出朱坑峽谷,至合江口与忠信水匯合;然后又轉向西南,在河源县城北流入东江。干流全長約160公里,总落差約620公尺。流域面积約6000平方公里,雨量充沛,年降雨量1800公厘,平均年总逕流量达73亿公方。
Xinfeng River is one of the major tributaries of the Dongjiang River in Guangdong, belonging to the Pearl River system, originated in Xinfeng County Mei Hang water dovetail nest. East flow through Xinfeng, Corolla, turned to the southeast, out of Zhu Hang Canyon, to Hejiangkou and Zhongxin water confluence; and then turned to the southwest, into the north of Heyuan County, the East River. The total length of the main stream is about 160 kilometers with a total drop of about 620 meters. The drainage area of about 6000 square kilometers, abundant rainfall, the annual rainfall of 1800 mm, the average annual total runoff of 7.3 billion square.