Surrounded by the Nallamalai Hills and dense forests, the Plateau of Srisailam is 476 m. above the Sea level. The word ‘Nalla’ means beautiful and ‘mala’ means hill. The river Krishna flow in the narrow gorge of 100m. Wide and at a depth of nearly 1000 m. from the top of the hill. The river continues to flow through the narrow gorge till it reaches Nagarjuna Sagar carrying on both the banks intractable forests dotted here and there by small tribal settlements, forming into natural sanctuaries of wild animals.