Located in the east of Qinling Mountains, at the junction of Chang 'an, Zhashui and Ningshan counties in Shaanxi Province, it was approved to be established in 1980, and was promoted to the national level in 1988. With a total area of 16520 hectares, it is an important water conservation area in Xi and southern Shaanxi, and the only national nature reserve in China that mainly protects the national first-class protected animal takin and its habitat. There are national first-class protected animals such as giant panda, pronghorn, golden pheasant, blood pheasant, golden monkey, bear, crested ibis, black stork, leopard and forest musk deer, and second-class protected animals such as red panda, golden cat, Qingyang and giant salamander. The main vegetation types in the reserve are deciduous broad-leaved forest, mixed coniferous forest, subalpine coniferous forest, rare alpine meadow and towering ancient trees.

Tianchi Temple is an ancient temple beside the ancient road in Qin Chu. It is surrounded by green peaks, pines and cypresses, with an open terrace and feng shui. Shangtianchi Temple is located in Shangtianchi, which is also called Dongtianchi because it is on the east side of the Strait. There is a lower Tianchi Lake, also called West Tianchi Lake, in the courtyard on the opposite side of Yangpo. The fairyland, sounds of nature, peaks and clouds outside China have been holy places of practice since ancient times. Here, the mountains are open, the reeds are swaying, the wilderness is empty, the birds are singing and the flowers are fragrant, the empty mountains are quiet, the sun and the moon are clear, and the soul is released. It is a paradise on earth!

The reed of Tianchi Temple in Shijieyu is the largest and most beautiful natural reed found at the northern foot of Qinling Mountains so far. Fiona Fang has dozens of acres, which is the most unique and beautiful scenery in autumn in Qinling Mountains, adding infinite charm and mystery to the ancient road in Qin Chu.

The scientific name of reed is Miscanthus, which is more like reed than reed. No matter how tall a person is, the whole mountain is beautiful.

Lingyuan Temple, formerly known as Inspiration Temple, is located in Group 5 of Guanmiao Village. It is said that this temple was built in the Sui and Tang Dynasties, and Li Shimin's mother died here. Li Shimin buried his mother outside the temple, and since then Lingyuan Temple has been changed to Li Niang Temple. The ditch that Li Shimin walked is called Li Niang ditch. You can reach Zhixiang Temple in Tianziyu from Nianggou over the beam. Lingyuan Temple has a big iron clock with a diameter of 1 meter, three stone tablets, three stone urns, three halls and six grass sheds. After the temple was changed to the teaching point of Lingyuan Temple, all the cultural relics disappeared. Master Zi Gu lived in Lingyuan Temple in Shibianyu in Qing Dynasty.