Danjiangkou Reservoir (simplified Chinese: 丹江口水库; traditional Chinese: 丹江口水庫; pinyin: Dānjiāngkǒu Shuǐkù) is a multi-purpose reservoir in Xichuan County, Henan and Danjiangkou City, Hubei province, Central China. Created by the Danjiangkou Dam, it serves as a supply of water for the region as well as irrigation, electricity generation and flood control. It was constructed in 1958, and at the time was one of the largest reservoirs in Asia.

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Danjiangkou Reservoir
Danjiangkou Reservoir
Location	Henan and Hubei,  People's Republic of China
Coordinates	32°43′8.39″N 111°33′3.20″E
Type	reservoir
Primary inflows	Dan River
Primary outflows	Han River