Zhengning ziwuling tour guide has 8 words.

Ziwuling lies in the hinterland of the Loess Plateau, which spans Shaanxi and Gansu provinces. Because it is consistent with the direction of the prime meridian, it is called Ziwuling. Ziwuling is a branch of Qiaoshan Mountain Range, which lies between Jinghe River and Luohe River. According to historical records, it stretches for more than 4 kilometers from Ningqing in the west, Yan 'an in the east, Yaozhou in the south and Yanbian in the north. Ziwuling not only has beautiful scenery of plateau and forest, but also has a long and splendid historical and cultural heritage and rich animal and plant resources.

Ziwuling, also known as Hengling and Qiaoshan, spans Shaanxi and Gansu provinces and is located in the hinterland of the Loess Plateau. Because it is consistent with the direction of the prime meridian, it is called Ziwuling. Ziwuling forest area is a well-preserved natural vegetation area in the Loess Plateau at present, and it is an important ecological public welfare forest in the central part of the Loess Plateau.

Ziwuling is located in the uplifted mountain between the famous Dong Zhiyuan and Luochuanyuan, facing Baiyushan and Laoshan in the northeast, and connected with Weibei Plateau in the south. Its northern part extends from Huachi, Gansu, from the northwest to the south-east direction to the south of Guoyu Ridge in Huangling, and divides into two branches, which extend into the headwaters of Luohe River and Jingluo River, and form the watershed of Jingluo River system. The west branch at the southern end extends to Xunyi County, Shaanxi Province, with Shimen Mountain as the highest point, with an altitude of 1885 meters, and the east branch extends to Yijun, Tongchuan and Yaoxian County, forming Yijunliang. The main peak of Ziwuling is 1,687 meters above sea level, which is located at the left source of qu shui River. Other main mountains of Ziwuling are Dunliang (1,625 meters above sea level) at the junction of Ganquan, Zhidan and Fuxian, Wulidun (1,625 meters above sea level) at the upper reaches of qu shui River, and Miaoshan (1,734 meters above sea level) in Yijun.

ziwuling is located at 17 3 ′ ~ 19 4 ′ e north latitude and 33 5 ′ ~ 36 5 ′ east longitude. Including Huachi, Heshui, Zhengning and Ningxian in Gansu and Fuxian, Huangling, Yijun, Tongchuan, yintai district, Yaoxian and Xunyi in Shaanxi, there are 1 counties with a total area of < P > 23, square kilometers, including 19, square kilometers in four counties in Gansu and 12,1 square kilometers in six counties in Shaanxi. The terrain is high in the south and low in the north, and it inclines from west to northeast, with an altitude of 1 3～1 7 m and a relative height difference of 3 m. The top of the beam headland is round and gentle, with an inclination of 3 ~ 5, and the gully slope is steep from top to bottom, with an inclination of 1 ~ 35. This area is located in the transitional zone between forest grassland and semi-arid grassland, with a mild and humid climate. The northern half of this area has a temperate semi-arid climate in central and northern Gansu, and the southern half has a temperate semi-humid climate in central and southern Gansu. The annual average temperature is 714 ~ 815℃, the extreme minimum temperature is-2717℃, the extreme maximum temperature is 3617℃, the annual precipitation is 5～62 mm, and the annual average relative humidity is 63% ~ 68%. There are 15 rivers in the region, including Malian River in Jinghe River Basin and Hulu River in Beiluo River Basin.

Xuanyuan Huangdi, the ancestor of China, first moved around this area, "migrating, pulling out the mountain passage", cutting through obstacles and opening up a wild place. His mausoleum is located on the bridge hill in the east wing of Ziwuling, so Ziwuling is also called "Saint's Article".

in 198, the one-millionth o n c (operational n avi gation chart) film compiled by the Institute of Geography of China Academy of Sciences showed that the Qinzhi Road did exist on the ridge of Ziwuling at the junction of Shaanxi and Gansu provinces. The history of Daoism in Qin Dynasty is called "Daoism in the Cloud", which is commonly known as "Emperor's Road" and "Sage's Article". After Qin Shihuang unified China, the Great Wall along the river was built to resist the invasion of Xiongnu. After more than 2, years of wind and rain erosion, the Qinzhi Road is still clearly identifiable, and some sections can still be opened to traffic.

Ziwuling not only has beautiful scenery of the plateau, but also has a long and splendid historical and cultural heritage and rich animal and plant resources. There are more than 2 kinds of timber and economic trees such as pine, cypress and birch growing in Ziwuling. There are more than 15 kinds of wild animals such as leopard, deer, civet cat and black stork.

Ziwuling forest is not only an economic forest, but also an important ecological forest. It is known as the "green barrier" of Longdong and the "natural reservoir" of the Loess Plateau.