Karnaphuli, the largest and most important river in Chittagong and the Chittagong Hill Tracts , is a 667 metres (2,188 ft)-wide river in the south-eastern part of Bangladesh . Originating from the Lushai hills in Mizoram , it flows 270 km southwest through Chittagong Hill Tracts and Chittagong into the Bay of Bengal . Source of Origin : Lushai Hills, Mizoram Drainage Area : Mizoram, Bangladesh Length : 270 km End : Bay of Bengal Dams : Kaptai Dam (1962) Power-plant : Kaptai Hydo-power station, the only hydro-electric power plant in Bangladesh, was constructed at Kaptai in 1962. It produces 230 Megawatts of electricity. Important Sea-port : Chittagong sea-port, the main port of Bangladesh, is on the mouth of this river.
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