Located on the border of Nam Giang and Phuoc Son district, near the border of People Republic of Laos with the large area of approximately 93,429 hectares of sunken zone and 108,398 hectares of buffer zone. The sunken zone is divided into two areas: strictly preserving zone of 75,373 hectares and ecological rehabilitating zone of 17,512 hectares
This place has a lots of wonderful things, attracting tourists and scientists by plentiful natural resources. There are totally 831 species of plants recorded in the survey in 1997 and 1999 carried out by WWF- Indochina and Institute of Vietnam Investigation Projecting Forest. Among these species, there are 23 useful species, 38 species recorded in Red Book of Viet Nam. The forest fauna here is various with 53 species of animal, 183 species of bird, 44 species of reptile, 21 species of amphibian and 25 species of fish.... The result of the investigation showing that here there are many precious animals such as tiger, panther, elephant, etc. Tourists can contemplate the Grang waterfall, Thac Nuoc (waterfall) bridge and beautiful landscapes along Ho Chi Minh legend Trail or discover specific characteristics of ethnic minorities’s cultures.