The ‘Natural Arch’- A Geo-heritage Site, Identified by Geological survey of India, is geological formation through the action of waves and sea water on the Khondalite rocks (a series of high-grade metamorphic rocks that are part of the Eastern Ghats Granulite Belt in India),which formed several thousand years ago at Mangamaripeta, near Bheemili (Bheemunipatnam) beach road in Visakhapatnam, Andhra Pradesh.