Is there any river in Nanchang where you can swim?

Yes. According to the query on the official website of Nanchang Tourism Bureau. In Nanchang, you can usually swim next to the Gan River, so there are rivers where you can swim in Nanchang. Ganjiang River is the seventh largest tributary of the Yangtze River and the largest river in Jiangxi Province. It was known as Yanghan River, Huhan River, Gan River, etc. in ancient times. The Ganjiang River Basin covers an area of ??81,600 square kilometers, accounting for 51% of the area of ??Jiangxi Province.