The Three Parallel Rivers of Yunnan Protected Areas (Chinese: 云南三江并流; pinyin: Yúnnān Sānjiāngbìngliú) is a UNESCO World Heritage Site in Yunnan province, China. It lies within the drainage basins of the upper reaches of the Yangtze (Jinsha), Lancang (Mekong) and Nujiang (Salween) rivers, in the Yunnanese section of the Hengduan Mountains.