This sanctuary is situated on the south bank of the river Brahmaputra in Sibsagar district of Jorhat subdivision of Assam. It consists of 430 sq. km. of forest grasslands and swamps and supports a fauna of nearly 700 rhinoceros. Besides, it also has elephant, bison, leopard, tiger, sloth bear, wild buffalo, swamp deer, barking deer, wild boar, gibbon and birds like pelican, stork, ring-tailed fishing eagles. This is in fact a rhino sanctuary.