The sanctuary is bordered by the Bornadi River and Nalapara Nadi to the west and east. It was declared wildlife sanctuary in 1980 and lies in the foothills of Royal Bhutan Hill.

This sanctuary shelters pigmy hog, bison, Asiatic elephant, hispid hare, pangolin, tiger, leopard, capped langur, porcupine and some migratory and local birds such as peacocks, Bengal florican, horn bills, king fisher and woodpecker.

There is one Forest Inspection Bungalow at Atherighat (a place nearby). There are also hotels and lodges in Mangaldoi.

Nearest airport is at Guwahati (130 km). Nearest railheads are at Chaparmukh and Guwahati. National Highway 52 provides easy accessibility.