The Eastern Zhejiang Canal (simplified Chinese: 浙东运河; traditional Chinese: 浙東運河; pinyin: zhè dōng yùn hé; a.k.a. 杭甬運河 (Hangyong Canal)) is located in Zhejiang province, China. Its west end is in Xixing Street, Binjiang District, Hangzhou City, crossing Cao'e River and Shaoxing City to its east end, the Yong River estuary in Ningbo City. The canal is 239 kilometres (149 mi) long. Early canal construction took place in the Shanyin old canal in Shaoxing City, during the Spring and Autumn period (approximately 771 to 476 BC). In the third century AD, an official named He Xun supervised the construction of Xixing Canal, establishing the complete Eastern Zhejiang Canal.