Pichavaram village is located in Cuddalore District in Tamil Nadu, between the Vellar estuary in the north and Coleroon estuary in the south. Pichavaram embodies a vast number of islands (almost 40) scattered around a massive stretch of water covered with mangrove forest. Pichavaram is a coastal village with the world's second-largest mangrove forest and a wonderland of exotic birdlife. Explore the backwaters by boat, relax on the beaches, or enjoy the serenity of the wilderness at this enchanting destination. Pichavaram in Tamil Nadu, the world's second largest mangrove forest, offers rich biodiversity, boat rides, birdwatching, and accessible from Chennai and Pondicherry. Visitors explore diverse ... Pichavaram is the 2nd largest mangrove forest in India. It is formed at the delta of River Kaveri in Bay of Bengal. There are Tamilnadu govt. operated boats which takes you thru the mangrove forest. One can choose between motor boat and peddle boats. Peddle boats are better since they go at slow speed giving you time to experience the beauty.