Dhosi Hill is an extinct volcano, standing alone at the north-west end of the Aravalli mountain range, of which it is a part, with height varying from about 345 to 470 meters from the surrounding land and 740 meters from the sea level. It has temple, pond, fort and caves on the top and forest around it. The Aravalli range is a Precambrian Malani igneous suite of rocks that have been dated at 732 Ma BP (million years before present).