Periyar (also Known as Thekkady) Wildlife Sanctuary in the Cardamom Hills on the border of Tamil Nadu and Kerala. Periyar was established in 1934 and is one of the largest sanctuaries in India. It is one of the best sanctuaries in which to observe herds of elephants. The 21 mile long lake is artificial built by the British in 1985 for irrigation purposes. The scenery, shapes and colours often remind people of the Scotish Highlands.