The river starts 1,000 metres (3,300 ft) above sea level in Lupungpat village in Gumla district in Jharkhand and flows 67.5 kilometres (41.9 mi) in the state before entering Chhattisgarh. It runs for about 50 kilometres (31 mi) in Chhattisgarh and enters Jharkhand where it flows for another 78 kilometres (48 mi). The river finally enters Odisha and travels another 45 kilometres (28 mi) before merging with the Koel.[1] The South Koel enters Odisha and joins the Sankh River at Vedavyas near Rourkela from where it is called the Brahmani (see 22°14′45″N84°47′02″E / 22.2458800°N 84.7837500°E / 22.2458800; 84.7837500).[2]
Sadni Falls
The 60-metre (200 ft) high Sadni Falls on the Sankh River at the edge of the Ranchi plateau is an example of scarp falls or knick line falls.[3]