TIANZI MOUNTAIN. ZHANGHJIAJIE. CHINA. Tianzi Mountain is located in Zhangjiajie in the Hunan Province of China, close to the Suoxi Valley. It is named after the farmer Xiang Dakun of the Tujia ethnic group, who led a successful local farmers' revolt and called himself "tianzi". This means "son of heaven" and is the traditional epithet of the Chinese emperor.