The Subarnarekha River, an important river of India flows through the states of Bihar, Jharkhand and Orissa. The river gets its name from two Sanskrit / Bengali words, `Subarna` means gold and `Rekha` means line or streak and two joined together becomes Subarnarekha or golden line. The river has reddish blue waters and rises from the Chota Nagpur plateau of the state of Jharkhand. It enters West Bengal and empties into the Bay of Bengal near Talsari in Balasore district of Orissa. The river Kharkai merges with river Subarnarekha at Jamshedpur. Two important cities lie on the bank of the Subarnarekha River namely, Ranchi, the capital of Jharkhand and the steel city of Jamshedpur.

At a distance of 45 kilometers from Ranchi, Subarnarekha falls from to a depth of 320 feet forming the Hundru Falls. There is a hill station in the Chota Nagpur Plateau region of Jharkhand. The Bhavnatha Mahadev Temple dedicated to Lord Shiva is situated on the banks of the river Subarnarekha. A multipurpose project has been constructed on this river to assist the farmers of Bihar, Jharkhand, Orissa and West Bengal.