Buxa National Park, in the Alipurduar district, was set up in the year 1982-83 at the North Eastern corner of West Bengal bordering Bhutan and Assam. It is declared a National Park in January 1992. The name "Buxa" has been derived from Buxa Fort - a fort at an altitude of 867 meters on the Sinchula Range guarding the most important of the eleven routes into Bhutan, which once was used for detainees during freedom movement of India. With an area of 759 sq km this picturesque reserve with its prodigious Terai, Bhabar as well as Hilly landscape, criss-crossed by numerous rivers and their tributaries presents a breathtaking landscape. Buxa National Park is the largest forest in Dooars.. Buxa is rich with bio-diversity and has a great collection of rare orchids and medicinal plants. Because of inaccessible terrain some parts of Buxa hills in the Sinchula range are still unexplored. The veritable flora and fauna of these wet forests attracts tourists and nature lovers every year. The Generic diversity of mammals is the second highest among all the tiger reserves of India. Astonishing bio-diversity of animals comprise a reach avifauna of more than 230 identified species, 67 mammals and 36 species of reptiles.