Chilika Lake

Chilika Lake is a brackish water lagoon, spread over the Puri, Khordha and Ganjam districts of Odisha state on the east coast of India, at the mouth of the Daya River, flowing into the Bay of Bengal, covering an area of over 1,100 square kilometres. It is the biggest lake of India after Vembanad Lake. This lake is the largest coastal lagoon in India and the largest brackish water lagoon in the world after The New Caledonian barrier reef. It has been listed as a tentative UNESCO World Heritage site. Its salinity varies by region, from nearly freshwater where rivers flow in, to oceanic salinity levels due to tidal influx.

It is the largest wintering ground for migratory birds on the Indian sub-continent. The lake is home to a number of threatened species of plants and animals.The lake is an ecosystem with large fishery resources.