Pavagadh Hill is situated within a plain in Panchmahal district, Gujarat, western India. At its base is the historical city of Champaner, while the hill station of Pavagadh was built upon the volcanic cone itself. A volcanic eruption occurred here approximately 500 million years ago and the etymology of its name is associated with eruption: Pavgadh means "one fourth hill" or "fire-hill", though a legend surrounding its formation is that the right foot of Sati is believed to have fallen at Pavagadh and God "sent a large hill as per the request of Rishi Vishwamitra to fill up a deep valley so that the sage's cows do not fall into it. With Champaner, Pavagadh hill forms the Champaner-Pavagadh Archaeological Park, which is spread over an area of more than 1,329 hectares (3,280 acres). The site is 50 kilometres (31 mile) east of Vadodara and 42 miles (68 km) south of Godhra.