长江澄通河段上自江苏省江阴市黄山下至南通市东方红农场(对岸徐六泾),全长80余千米。
The Chengtong reach of the Yangtze river , totally more than 80 km , stretches from Huangshan of Jiangyin city to Dongfanghong farm ( to the opposite bank of Xuliujing ) of Nantong city , Jiangsu province .