The sanctuary is located in the northern part of the Western Ghats. It is spread over the three districts Pune, Thane and Raigad. There is a shrine in the forest with the Jyotirlinga, temple of Lord Shiva. Two major tributaries of river Krishna namely Bhima and Ghod originate from this area. The valley is a splendid combination of plant and animal life.
The main forest of this sanctuary is the southern tropical semi evergreen forest. Tourists can find wide range of plant life, magical herbs, and shrubs. Dominant species are Mango, Jamun, Hirda, Behda, Bamboo, Shrub, Herbs, Climber, Grass, and Fern.
The area is rich in fauna since there is variety of forest types in the sanctuary. The wild life found here includes Leopards, Barking Deer, Sambar, Wild Boar, Langur, and Hyena. Among the birds one will be able to find Malabar Grey Hornbill, Quaker Babbler, Malabar Whistling Thrush, Green Pigeon, Black Eagle, Grey Jungle Fowl and many, many more. One might get to see the great butterfly brigade and Malabar Giant Squirrel, one of the largest of tree squirrels found over here, well over three feet long.