1 Understand 1.1 History 1.2 Landscape 1.3 Flora and fauna 1.4 Climate A broad, tree-lined river in the park Sundarbans National Park is marked as the Core area of Sundarban tiger reserve in Sundarban Reserve Forest. Sundarbans Reserve Forest is located in southern part of South 24 Parganas district of West Bengal, India. The meaning of the Bengali word sundarban is "beautiful forest". Sundarbans is a plastic free zone, so if you bring any plastic with you, remember to take it out when you leave. History The Sundarbans are the largest littoral mangrove belt in the world, stretching 80 km (50 mi) into the Bangladeshi and Indian hinterland from the coast. The Sundarbans has been declared a UNESCO World Heritage Site. The part of the forest within Indian territory is called Sundarbans National Park. The forests aren't just mangrove swamps though — they include some of the last remaining stands of the mighty jungles which once covered the Gangetic plain. The Sundarbans cover an area of 3,850 km², of which about one-third is covered in water/marsh areas. Since 1966 the Sundarbans have been a wildlife sanctuary, and it is estimated that there are now 400 Royal Bengal tigers and about 30,000 spotted deer in the area. The forest is called 'Sunderban' due to the rich growth of Sundari trees. Landscape A river's muddy shore Flora and fauna Royal Bengal Tiger, Saltwater Crocodile, deers, birds, Bull Sharks, various primates & snakes. Climate October to February — winter, cold and temperate March to May — summer, hot and humid June to September — the monsoon season, wet and windy Monsoon cruises are spectacular.