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Where the Ganga and Brahmaputra meet the sea — the largest delta and mangrove forest on Earth.

The Ganga–Brahmaputra–Meghna system dumps a vast sediment load into the Bay of Bengal, building a shifting maze of islands, tidal creeks and mudflats — the largest delta in the world, still growing today.

Its brackish shallows carry the greatest continuous mangrove forest anywhere, the Sundarbans, home to the swimming Royal Bengal tiger and a natural buffer against cyclones and storm surge.

Sources

• UNESCO World Heritage Centre
• Ramsar Convention

A short reference note: this summary draws on third-party sources such as the Geological Survey of India and Wikipedia. In time I plan to give every geological feature its own learning-oriented write-up — with custom diagrams, graphs, and study pointers — as I’ve already done for the 11 locations that have an Instagram reel.