Linhe District is located in the northern part of China and the western part of Inner Mongolia Autonomous Region, in the hinterland of Hetao Plain. Above the zigzag, it faces the Ordos Plateau across the river in the south, Yinshan Mountain in the north and Wulate Grassland in the east. It is the political, economic, cultural, transportation and information center of Bayannaoer City. He Lin is located in the west of Inner Mongolia Autonomous Region, on the north bank of the Yellow River, at the south foot of Yinshan Mountain, in the middle of Hetao Plain, near the Yellow River, the second longest river in China, hence the name "He Lin". Geographical coordinates are 107 6' east to 107 44' north to 4 1 17' north.

The whole area along the river is the alluvial plain of the Yellow River. The ground is open and flat, and the terrain is slightly inclined from southwest to northeast. Altitude1209m-1045m. The cultivated land area near the river is 757,665,438+0 hectares, accounting for 54.4% of the total area, and the others are pastures, sand dunes, forests and lakes. He Lin is rich in groundwater resources, with an average buried depth of1.6m-2.2m. Most of the groundwater is fresh water, which is suitable for irrigation. Groundwater recharge is mainly irrigation from the Yellow River, with annual water intake of 65.438+0.2 billion cubic meters and irrigation area of 65.438+0.595 million mu. Inland in the depths of the river, it belongs to the semi-arid continental climate in the middle temperate zone. It is characterized by less fog and precipitation, strong wind in the river area and dry climate. Annual precipitation 138.8mm, average temperature 6.8℃, large temperature difference between day and night, long sunshine time, and annual sunshine time of 3,229.9 hours. It is one of the areas with the most sunshine hours in China. Light, heat and water are in the same period, and the frost-free period is about 130 days, which is suitable for the growth of crops and pastures.