The Sundarban is a natural region in Bengal. It is the largest single block of tidal halophytic mangrove forest in the world. The Sunder ban is approximately 10,000 km2 of which 60% is located in Bangladesh with the remainder in India. The Sunderban is a UNESCO World Heritage Site. The Sundarbans National Park is a National Park, Tiger Reserve, and a Biosphere Reserve located in the Sundarbans delta in the Indian state of West Bengal. Sundarbans South, East and West are three protected forests in Bangladesh. This region is densely covered by mangrove forests, and is one of the largest reserves for the Bengal tiger.
Also among the tourist attractions in Sunderbans is the Bhagabatpur Crocodile Project, a hatchery and a sanctuary, which is also home to the biggest estuarine crocodiles.
The picturesque beauty of Netidhopani is enhanced manifolds by its mangrove forests and teeming wildlife populace. Furthermore, the ruins of a 400-year-old temple here is also among the major draws for tourists.
Lying to the south of the Sunderbans Tiger Reserve, are the Halliday Island Wildlife Sanctuary -- the last retreat of the Barking Deer, and the Lothian Island Wildlife Sanctuary -- a haven for bird viewers.
The shallow waters and beaches at Kanak is one of the well known resting places of the Olive Ridley Turtles in Sunderban. During their breeding season, these turtles migrate from a long distance to the shallow coastal waters. It is believed, that the turtles travel upriver a distance of about 100 km from the sea mouth into the Sunderban. Piyali:
This small town on the way to Sunderbans is a highly picturesque resting place, and a gateway to the Sunderbans.