The area of Mt Chilbo was recorded as World Network of Biosphere Reserve of UNESCO (the UN educational, scientific and cultural organization) in Juche 103 (2014).

In the reserve, more than 820 species of higher plants grow and 270 kinds of vertebrate animals inhabit.

Having 130-odd medical herbs like Tricholoma matsutake and plants and animals of high economic value and academic significance, it serves as the important storehouse of gene diversity.

There are more than 20 endangered species of plants like Celtis edulis (CR) and Tilia ovalis (EN) and 30-odd endangered kinds of animals like Tadorna cristata (CR), Falco cherrug (EN) and Emberiza jankowskii (EN) in the reserve.

Also, there are many historical relics and remains showing the long history of Korea and natural monuments in the reserve.

The reserve houses more than 160 beauty spots like couple rock and myriad-shaped peaks and the Hwangjin and Sari hot springs.