Mount Heng (Chinese: 衡山; pinyin: Héng Shān), also known as Nan Yue (Chinese: 南岳; pinyin: Nányuè), is located in Hunan and is one of the Five Great Mountains in China. Heng Shan is a mountain range 150 kilometres (93 mi) long with 72 peaks and lies at 27.254798°N and 112.655743°E.