Surma-Meghna River System, Drainage system in Northeast India and Bangladesh.
The Surma-Meghna system flows roughly 950 kilometers from the Manipur Hills through a wide delta region into Bangladesh, creating multiple branching channels and tributaries. As it nears the Bay of Bengal, the waterway spreads into increasingly broad passages that shape the entire landscape.
The system originated from ancient tectonic movements that created the Sylhet Depression, fundamentally shaping how water drains across the entire northeastern region. These geological processes established the framework for the current river network.
Local communities depend on traditional fishing methods and water transport that have shaped their way of life for centuries. These practices remain central to how people move, work, and live alongside the waterways today.
Visit during dry seasons when water levels are more stable and easier to navigate. The monsoon months bring heavy rainfall and flooding, making travel and exploration more difficult in the region.
At Bhairab Bazar, the system transforms into the Lower Meghna and spreads into increasingly wide channels as it approaches the Bay of Bengal. This funnel-like expansion creates one of the region's largest delta formations.
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