It is an area containing densely forested hills , deep gorges and cascading streams .
Niyamgiri is a hill range spread over 250 sq.km which falls under the Rayagada and Kalahandi District in south - west Odisha , India .
Niyamgiri is an area containing densely forested hills , deep gorges and cascading streams .
Niyamgiri is a hill range spread over 250 sq.km which falls under the Rayagada and Kalahandi District in south - west Odisha , India .