The second-largest brackish water lake in the country, the beautiful Pulicat Lake lies at the border of the states of Andhra Pradesh and Tamil Nadu on the Barricade Island of Sriharikota. Also called Pazhaverkadu, the lake is popular as a flamingo-watching site and for water activities. The prime season to visit is between October and March as during that time, over 20,000 migratory birds come to the lake for breeding purposes. The lake is also known for the Pulicat Bird Sanctuary and attracts a number of tourists. Besides flamingos, one can also sight storks and kingfishers. The Pulicat Lake is situated about 60 km from Chennai in the Tiruvallur District. Spanning an area of  159 sq km, it is surrounded by colonial buildings from the Dutch-era.