Sonai Rupai Wildlife Sanctuary is a protected area located in the state of Assam in India. This wildlife sanctuary covers 175 km2. It is located along the foothills of the Great Himalayan Range. The area was declared as a sanctuary in 1998. It is located 52 km from Tezpur town and 193 km away from Guwahati. Four rivers flow through the sanctuary: Gabharu, Gelgeli, Sonai and Rupai.