Mount Heng (Hunan) should not be confused with Mount Heng (Shanxi).
| Photo Size: | 250px |
| Mount Heng | |
| Elevation M: | 1300.2 |
| Prominence M: | 1130 |
| Range: | Hengshan Mountains |
| Listing: | Mountains of China |
| Country: | China |
| Region Type: | Province |
| Region: | Hunan |
| Geology: | Granite |
| Map: | China Hunan |
| Fetchwikidata: | ALL |
| Pic: | Heng shan, Hunan (Chinese characters).svg |
| Piccap: | "Mount Heng" in Chinese characters |
| Picsize: | 125px |
| C: | 衡山 |
| P: | Héng shān |
| Wuu: | Oen上 se平 |
| J: | Hang4 saan1 |
| Y: | Hàhng sāan |
| Poj: | Hêng-soaⁿ |
| Tl: | Hîng san |
Hengshan, also known as Mount Heng, is a mountain in southcentral China's Hunan Province known as the southern mountain of the Five Great Mountains of China. Heng Shan is a mountain range long with 72 peaks[1] and lies at . The Huiyan Peak is the south end of the peaks, Yuelu Mountain in Changsha City is the north end, and the Zhurong Peak is the highest at above sea level.
At the foot of the mountain stands the largest temple in southern China, the Grand Temple of Mount Heng (Nanyue Damiao), which is the largest group of ancient buildings in Hunan Province.
Other notable sites in the area include Shangfeng Temple, Fuyan Temple, Zhusheng Temple (8th-century Buddhist monastery) and Zhurong Gong, a small stone temple.