It is a miniature Kaziranga covering an area of 78.81 sq. kms. and is situated in the Darrang District of Assam. Sixty percent of the sanctuary is grassland. The animals seen in this sanctuary are the One-horned Rhinoceros, Leopard, Elephant, Sambar, Barking Deer, Tiger, varieties of water birds, Green Pigeon, Florican, Teal , Goose, etc. Various species of birds such as the Pelican, Cormorant, Greylag Goose, Large Whistling TeaGreat Adjutant Stork, King Vulture etc. have also found this sanctuary to be their ideal habitat.

Orang is 150 kms from Guwahati and 31 kms from Tezpur. The nearest railhead is Rongapara and the nearest airport is Salonibari(Tezpur). Both Govt. & Private buses ply regularly from Guwahati.