Parvathamalai is situated in Thiruvannamalai district in TamilNadu . It has an height of around 3500 ft above sea level .
There are two routes to the hill .One from Thenmathimangalam and other from kadaladi . Though the kadaladi route is shorter , thenmathimanagalam route is easier to access .
Both routes converge at a single point and from there only one route leads to the Lord Mallikarjunaswamy temple on top of the hill .