Mount Heng (Chinese: 衡山; Pinyin: Héng Shān), known in China as Nan Yue (南岳; Nányuè), is located in Hunan Province and is one of the Five Sacred Mountains of Taoism in China. Heng Shan is a mountain range 150 km long with 72 peaks and it is located at 27.254798°N and 112.655743°E.

Notable sites include the Zhusheng Si Temple, an 8th century Buddhist monastery and Zhurong Gong, a small stone temple.

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