From An Phu Mountain to the north, Duong Nhan mountain range looks like the giant rock-garden in the vast space of paddy field in Kinh Thay valley. In the north of Duong Nhan range, the river flows close to the foot of the mountain, which creates the nice landscape with river, and mountain, moreover, it is also convenient in transportation.
The west south is bordered by the district connected road and an old village named Kinh Chu (Kinh Mon) which is the hometown of stone workers in the East part. Duong Nhan range and Kinh Thay River is the natural landscape and Kinh Chu village is the artificial projects, which perfect the landscape.
Duong Nhan Mountain is also named Bo Da, Xuyen Chau, Thach Mon. In the war against Nguyen dynasty of China, King Tran Nhan Tong settled the army on the mountain and prevented the attack from the water line. The mountainside in the south has one big cave called Kinh Chu or Duong Nhan cave, and it is placed in the 6th rank of the most beautiful caves in Vietnam.
The gate of the cave faces the South. It is on the height of 20m above the field with good light and cool atmosphere in the summer, warm in the winter. There were prehistoric human beings living there. Apart from Kinh Chu cave, Duong Nhan Mountain, there are lots of particular interesting caves such as Vang cave, Luon cave, Trau cave, Tien Su cave, etc.
There are many animal figures carving on the rock and the old tools for working of the ancient people. People also use Kinh Chu cave to honor the Buddha, mediator Minh Khong, Ly Than Tong king, Xuan Zang monk and other stone statues which describe the typical facts in the prayer book of Buddhism.
Kinh Chu cave was soon restored by human. It is also combined with other landscape around to make it become the landscape of the East North of the country, which is close to the Red River delta. Many famous people in different times have been here.
Many kings, monks, officials also visit the cave and be moved with the grandiose and beautiful landscape of the river and mountains, then they left their thoughts about the country and time. Those feelings have been carved in the stone in more than 40 steles in the cave.
Kinh Chu cave is always a nice landscape. There is a small museum restoring the steles and the sculptures from seven centuries. This is the heritages, which are not owned by every cave.
After the reunification day, especially in the recent years, the intellectual of people has been raised. Kinh Chu cave is also restored. The uncontrolled exploiting of rock has been prevented to forever protect this important national cultural and historical vestige.