The Sankh River originates from
Rajadera village of
Gumla District. It is one of the three main rivers flowing through the district. After traversing through Gumla, it enters
Simdega District and flows towards
Orissa. The river joins with the
Brahmani River at
Vedvyas near
Rourkela.
Mandira Dam is situated across the Sankh River, where boating facility is available.