Vedaranyam Lake, also known as Vedaranyam Swamp, is a 349 sq km swamp, stretching parallel to the Palk Strait at Vedaranyam
in Nagapattinam District
. This area is bounded on the south and east by the Kodiakkadu Reserve Forests.
Covered with mangrove forests, this waterlogged ground attracts a large number of water birds. The beautiful surroundings that bound the lake are the added attractions. The area around the lake is famous for salt works.