Dunhua Huangnihe

　　The reserve is situated in the northern part of Dunhua City, Yanbian Korean Autonomous Prefecture, Jilin Province. It borders the Sanhetun Forestry Bureau of Heilongjiang Province to the north and Jiaohe City to the west. There are four forest farms within the area. The natural resources in the region are primarily state-owned forests, and transportation conditions are relatively poor, with only two forest railways — Tuanbei and Xiaobai — providing access to the outside world, and no highways.

　　The reserve is located in the Jilin quasi-fold belt, characterized by mid-mountain landforms formed by crustal uplift. It lies within the cool zone of the mid-temperate humid climate region, featuring distinct vertical climate distribution. Soil types and forest vegetation have an interdependent relationship. At elevations between 500–800 meters, there are plateau podzolic soils and podzolized dark brown forest soils, where the climate and soil are suitable for the growth of mixed coniferous and broad-leaved forests. Elevations above 1,300 meters consist of mountain tundra soils and brown coniferous soils. With strong winds, heavy fog, and abundant rainfall, the unique geology and topography allow Arctic and Siberian plant species to thrive here, such as dwarf Korean pine, rhododendron aureum, crowberry, gray willow, rhodiola, Betula ermanii, and alpine juniper. The total area of the reserve is 23,476 hectares, of which 22,631 hectares are forested, resulting in a forest coverage rate of 96.4%. The area has large expanses of well-preserved, pristine forests with rich biodiversity, hosting 1,590 species of flora and fauna, and serving as a habitat for various rare and endangered species. Since the highest elevation in the area is less than 1,700 meters, the vertical zonation of vegetation is narrower than that of Changbai Mountain, with significant intermingling of plant species across zones. The Betula ermanii forests are sparse, lacking understory shrubs, but herbaceous plants grow abundantly.

　　The unique natural landscape, combined with its significant tourism and scientific research value, provides a solid foundation for establishing a forest and wildlife nature reserve.