Feni River is a river in south-eastern Bangladesh. It flows into the Bay of Bengal near the Feni district. A map showing the location of the Bay of Bengal. ... Feni is a small southern district of Bangladesh, bordering (clockwise from the north) Tripura in India, Chittagong district, the Bay of Bengal, Noakhali district and Comilla district. ...
The larger rivers serve as the main source of water for cultivation and as the principal arteries of commercial transportation.
The Padma-Ganges is the central part of a deltaic river system with hundreds of rivers and streams--some 2,100 kilometers in length--flowing generally east or west into the Padma.
The Surma-Meghna, at 669 kilometers by itself the longest river in Bangladesh, is formed by the union of six lesser rivers.
River velocity determines quantity and size of rock fragments and sediment carried by the river.
River valleys have been important centres of civilisation, they afford travel routes, and their alluvial soils form good agricultural lands.
The pride of Bangladesh is its rivers with one of the largest networks in the world with a total number of about 700 rivers including tributaries, which have a total length of about 24,140 km.