Mang Mountain Nature Reserve was established in 1982, covering 20,000 hectares on the north side of Nanling Mountain Chain in the Yizang County, southeastern Hunan Province, adjacent to Guangdong.
The Reserve is the largest natural gene bank in Hunan, formed by more than 100 elevations over 1000 m high. Its highest peak. Mount Mengkengshi, towers 1902 m above sea level under the interlocking effects of southern tropical warm air current and cold air current i from the north.

The Reserve houses a rare wealth of botanic residents. Preliminary investigation revealed over 2300 species of higher plants, equalling half of the plant species in Hunan. There are over 700 woody plants, among which camphor, nanmu, glabrous tanoak and Chinese catalpa are famous timbers. There are some precious plants such as Fujian cork, longbracted hemlock, Wang pine, Chinese bretschneidera, longstipe disanthus, largefruit rehdertree and goldenleaf orchid under key state protection. In addition the region boasts a number of flowering plants including azalea, camellia, cherry and Ford menglietia.

Statistics show over 250 species of vertebrates and 4000 species of insects. There are over 30 species under key state protection, including South China tiger. clouded leopard, stumb - tail macaque, sambar, silver pheasant, yellow- bellied tragopan, black muntjak and musk deer.

Over the past few years many new species of flora and fauna have been discovered in the area, including 21 species of insects.