The natural protected area was established by law 5 / 2000 and defined by Governmental decision number 230/2003. According to Law 462/200 is classified in the category of National Parks, and according to the IUCN classification belongs to category II .
The main purpose the park was established for is the conservation of biodiversity, flora and fauna, landscape, local traditions and also for promoting tourism, as well as for the environmental education and the public awareness.
Cheile Nerei (Nera gorges) –Beusnita National Park enjoys an extraordinary wealth of flora, a land of diversity and uniqueness , and a wild side maintained due to difficult access in the area.
Cheile Nerei –Beusnita National Park is situated at the south-west limit of the country, in the south of the Anina Mountains , in Caras – Severin county. It includes a karst area on the middle course of Nera river, which constitutes the backbone of the park.
Cheile Nerei - Beuşniţa National Park has a total area of 36,758 hectares.
The mixed Cheile Nerei -Beuşniţa Reservation is situated in the southern half of the Anina Mountains and on the last extension of the Northern of Gorganu calcareous peak , separating actually the Anina Mountains from the Locvei Mountains between the localities: Sasca Montana, Sasca Romana, Potoc, Socolari, Ilidia, Ciclova, Oraviţa, Anina, Bozovici, Lăpuşnicu Mare, Dalboşeţ, Şopotu Nou and Cărbunari.