Does the subject want to ask, "Can you fish in the river of Baolong Square in Xiasha, Hangzhou, Zhejiang?" Yes The river in Xiasha Baolong Square in Hangzhou, Zhejiang Province is called Qiantang River, which has a good environment and can be used for fishing. Qiantang River is the largest river in Zhejiang Province, with a total length of 520 kilometers. The Ma Jinxi River basin at the source of Qujiang River in the south covers an area of 55,000 square kilometers. It flows through Quzhou, Jinhua, Jiande and Tonglu, and flows from Hangzhou Bay into the East China Sea. Qiantang river tide is known as "the first tide in the world".