Not To be confused with Hunan Province’s Southern Mount Heng (衡山) with the very same pronunciation, Mount Heng(恒山Héngshān) of Shanxi Province, distinguished by a unique that means and character, may be the fourth Sacred Mountain and signifies the North. Like the others, Mount Heng can trace its historical roots again https://www.chinaexpeditiontours.com/attractions/song-mountain