Covering an area of 25,000 ha of three provinces: Ninh Binh, Hoa Binh, and Thanh Hoa, Cuc Phuong is the first and largest nature reserve of Vietnam. This park is a typical tropical rainforest that hosts many diverse and unique flora and fauna.

This old forest is the natural habitat of more than 2000 plant species and 2600 species of animals including 2000 species of insects, 135 mammal species, 122 species of reptiles and amphibians, 65 species of fishes, more than 336 species of birds. Many endangered species have been found and protected here including Draco, spotted deer, golden monkey, bear, leopard, fox, horse, and the famous black and white Douc langur.