The Zhelin Reservoir, also named Mount Lu West Sea, is a reservoir located in the counties of Yongxiu, Wuning, and Xiushui in Jiujiang, China. It is 90 kilometers to the south of Mount Lu, with a total area of 308 square kilometers. The reservoir is the largest in Jiangxi province, with a storage capacity of 7,920,000,000 cubic metres.