From Zhouzhi to Luoyukou in the north and Luoyukou in Yangxian in the south, it is one of the six main roads leading to Hanzhong and Sichuan in ancient Guanzhong area. As a trunk highway, it was opened during the reign of Emperor Gaozu. After crossing Xilaojunling, the ancient road enters the scope of this forest park, passes through Badou River and Damang River Valley, goes west along Heihe River to Houfanzi, and then passes through Qinling Mountain southwest along Qiumaozigou, and leaves the park. During the Three Kingdoms period, Wei attacked Shu, and Shu attacked Wei San and took the road. In the five years of the Eastern Jin Dynasty, Liangzhou (now Hanzhong) led the troops out, and after the break, Zhao attacked Chang 'an; After the middle Tang Dynasty, whenever Chang 'an, the capital, was in danger, the emperor fled south by this road and took advantage of it. In Qing Dynasty, Luo Luo Lu became the main way of material exchange between Guanzhong and southern Shaanxi. In 37 years of the Republic of China, in order to escape to Hanzhong, Hu Zongnan built a feasible mule service road in April of the following year. In 1950s and 1960s after the founding of the People's Republic of China, it was one of the mountain roads leading to Yangxian County in zhouzhi county.

Zhandao site

North plank road site of Jiangjiaping Village in Houfanzi Township, Qiaowanping plank road site of Shaliangzi Township, hexagonal plank road site of Zuojiaping Village in Houfanzi Township, Guanyin Cliff plank road site of Houfanzi Township, and Heihe Bridge site of Shaliangzi. Square or round caves and square Liang Shi can be seen in the plank road ruins. The most common cave is square cave, which is generally 15cm long and 15-30 cm deep. The cornerstone is generally lianshan stone dominated by bluestone.

Yingpanliang

Located in Houfanzi, it is the site of Daying in past dynasties. The top of the beam is flat and wide, with rich vegetation, which is a good place for military strategists to camp in past dynasties. During the Three Kingdoms period, Wei Shu took the road for the second time and once stationed troops here. In the five years of the Eastern Jin Dynasty, Liangzhou (now Hanzhong) led the army out. After the defeat, Zhao attacked Chang 'an and once stationed here. Its ruins have now become a village, leaving only some remaining monuments and stones, and the words on the surface of the monument have been erased and cannot be verified.

Xiejialiang

Located in Houfanzi, it is an ancient battlefield, and it is also the site of all previous dynasties. Many rebel armies in history, such as Huang Chao Rebel Army, Rebel Army, Taiping Army (Wang Fajia became rich) and so on, also had many fierce battles on this road, and the King Chuang died in Heishuiyu. In addition, in August 1932 and July 1935, the Red Fourth Front Army and the Red 25th Army also crossed the Qinling Mountains from the Heihe River Basin and moved to southern Shaanxi. Its remains can only see the terrain of the ancient battlefield, and the rest of the remains cannot be verified.

Sanyimiao

It was built in the light years of Qing Dynasty, taking the meaning of Liu Bei, Guan Yu and Zhang Fei. There is only a small temple and a stone tablet left in this site. The small temple is about 5 meters high and covers an area of 20 square meters. It looks like a private house, dilapidated. In the old days, Heihe transported timber by water, commonly known as driving a carriage. In the late Ming and early Qing dynasties, the caravan gradually entered the foot of Taibai Mountain in the upper reaches of Heihe River. The road is rugged and steep. It is often the caravan team that falls off the cliff and falls into the river to die. The owner of the caravan ignored the life and death of the caravan workers, so the caravan workers gathered here, regrouped and held a massive uprising. It is recorded in Shaanxi Shipping Records. Wrote a glorious page of China's feudal social uprising. There is an architectural monument 10 erected light years in the temple, and there are dozens of wood merchants. Since its completion in 2000, the park has persisted in rolling development and constantly improved the tourism service infrastructure, with a total investment of 23 million yuan. Shui Yuan Villa, Tiejia Villa, Panda Villa and other reception facilities have been built, as well as farmhouse music and Heiheyuan Villa for tourists to choose from.

Shui Yuan Mountain Villa

The location of the park management office. The villa was built on the main river of Heihe River, with an altitude of 940 meters. The surrounding scenic spots include Crescent Lake, Fox Valley, Ecological Trail and Observation Deck, which is the first stop to enter the park. Built in 1999, there are 99 guest rooms, including 67 standard rooms and 32 ordinary rooms, which can accommodate groups of 230 people at the same time. There are two meeting rooms and a large parking lot, which can provide services such as meeting, entertainment and parking.

Tiejia mountain villa

Located at the western end of the park, it is built according to Taibai Mountain Nature Reserve, with an altitude of 1690 meters. The area is densely forested and the environment is very quiet. Now there are 23 cabins, which can receive 50 tourists at the same time, and have supporting restaurants, meetings, entertainment and parking facilities. Surrounding attractions include Tiejia Shenshu, Wanquangou Waterfall, Houfanzi Ancient Town, Tiejia Temple, Xietian Garden and other activities.

Panda mountain villa

Located in the downstream of Tiejia Villa, it belongs to the same management organization as Tiejia Villa. The villa was built by Heihe National Forest Park with the support of WWF, and its main income will be used for the protection of giant pandas in this area. *** 13 hut, scattered in the jungle of about 2000 square meters. Huts are made of mud and covered with thatch; Wooden corridors shuttle through it, as well as rest gardens and nourishing pavilions for tourists to stay in; Indoor wooden floor, pure wooden roof, bamboo bathroom, unique style; An eco-tour group that can accommodate 28 people at the same time.