The county town is surrounded by mountains in the north, south and west, and the Jinjiang River flows through the west and east, gently opening, forming southwest mountains, northeast hills and central valley hills, making the landform of the county town high in the south and northwest on three sides, low in the middle and inclined to the east, slightly like a dustpan. The highest altitude1405m and the lowest altitude130m.
Mainly hills, plains, hillsides and mountain plains. The plain is located in Jinjiang (Chenshui) and its tributaries, with abundant sunshine, fertile soil and abundant rice, which is the main grain-producing area in the county.
Hills are widely distributed, towns and villages crisscross, and terraces and tea trees are everywhere. The hillside is distributed in the transitional zone between the plain and the hills, which is fragmented and shaped like steamed bread, and is suitable for planting citrus, peaches and plums, rape and wheat. Mountain plains are distributed on the south, west and north edges, with undulating peaks and dense forests.
Shui Yuan
A tributary of Yuanjiang River. Also known as Jinshui, Jinjiang and Mayang River, it is one of the five streams in ancient Wuling. It originated in Taizi Stone at the west foot of Fanjing in jiangkou county, Guizhou Province, and flowed into Mayang County in Hunan Province through Jiangkou, Tongren and Wenchang Pavilion. It winds northeast to Mayang County, turns east to Taipingxikou, then flows southeast to northeast, flows through Mekong River, enters Chenxi County, and then passes through Tanwan Town to Chenxi County, then flows into Shui Yuan.
It is 295 kilometers long. Hunan is 145 km long, with a drainage area of 7536 square kilometers. The annual escape flow is 180.3 m3/s, and the riverbed gradient is 0.55‰. From Wenchang Pavilion to Bali Bridge in Hunan, the average river width is180m.
The riverbed is cobblestone and rock, among which there are many dangerous beaches, especially big broken beaches. Below Bali Bridge, the section from Jinhe Town to Gaozhi Village is mostly pebble beach with shallow dam.