Mount Longhu is located in Yingtan, Jiangxi, China. It is famous for being one of the birthplaces of Taoism, with many Taoist temples built upon the mountainside. It is particularly important to the Zhengyi Dao as the Shangqing Temple and the Mansion of the Taoist Master are located here. It is also known as one of the Four Sacred Mountains of Taoism.
Two notable Taoist temples on Mount Longhu are the temples of Immortal City and Zheng Yi, both founded by Zhang Daoling, the Han dynasty founder of the religion. There are more Taoist temples in nearby Shangqing, one of which is mentioned in the beginning of the famous Chinese traditional novel, Outlaws of the Marsh.
Wikipedia https://en.wikipedia.org/wiki/Mount_Longhu
Address China
Coordinates 28°4'4.374" N 116°59'28.416" E