Wuyishan National Natural Reserve, Nature reserve in Yanshan County, China.

Wuyishan National Natural Reserve lies in Yanshan County, Jiangxi, on the northwest side of Huanggang Mountain and southeast of Dushu Jian peak, adjoining the Fujian Wuyishan reserve. It protects 2,829 species of higher plants and 418 vertebrate species. The reserve was established in March 1981 and became national-level in 2002.

The reserve was created in March 1981 as the Jiangxi Wuyishan Nature Reserve. In 1992 it was listed with the Fujian Wuyishan reserve among China's 40 Grade-A reserves of international conservation importance, and in 1995 the two became demonstration reserves for a Global Environment Facility project. The State Council upgraded it to national status in 2002, and in 2017 the boundary adjustment approved by UNESCO's World Heritage Committee included the Jiangxi section in the Wuyishan World Heritage site.

The reserve lies in Yanshan County, Jiangxi, adjoining the Fujian Wuyishan reserve; the two were jointly listed in 1992 as one of China's 40 Grade-A reserves of international conservation value and in 1995 as a Global Environment Facility demonstration reserve. In 2017 the UNESCO World Heritage boundary adjustment added the Jiangxi section to the Wuyishan World Cultural and Natural Heritage site.

Entry points provide access to the reserve, with guided tours available along marked paths through different landscapes. Local guides offer insights into the plants, animals, and ecological systems you encounter along the way.

Surveys in the reserve have recorded 2,829 species of higher plants, alongside 418 vertebrate species. The north side of Huanggangshan, where the reserve lies, saw no scientific expeditions until the 1950s, while missionaries had already reached the southern slopes near Guadun in the mid-19th century.