Transboundary river

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A transboundary river is a river that crosses at least one political border, either a border within a nation or an international boundary. The country of Bangladesh has the greatest number of these rivers, almost all of which cross international boundaries.

Transboundary rivers[edit]

(small selection)

River Length (km) Countries
Brahmaputra 2,900  India
Colorado 2,333  United States
Danube 2,860  Germany
Ganga 2,525  India
Mekong 4,350  China
Nile 6,853  Rwanda
 Congo DR
 South Sudan
Rhine 1,230  Germany
Rhône 813   Switzerland

Transboundary rivers of Bangladesh[edit]

Bangladesh has at least 58 major rivers that enter the nation from India or Myanmar. The hydrologic and political effects of rivers that cross significant boundaries are enormous. Rivers have positive effects in that they carry a significant amount of sediment, which aids in building land in estuarine regions. However this sediment raises the height of riverbeds, thereby causing flooding. International conventions governing water sharing have led to complex political disputes.[1]

India and Bangladesh share 54 common rivers, of which agreement has been reached only on sharing of waters of the river Ganges. The India-Bangladesh Treaty on the Sharing of the Ganges Waters was signed on December 12, 1996 and is based on a sharing formula of the flows measured at Farakka, during the lean season each year, from 1 January to 31 May. The 30-year treaty is renewable by mutual consent.[2]

See also[edit]

External links[edit]


  1. ^ Maxwell, Daniel M (28 October 2012). "Exchanging Power: Prospects of Nepal-India Cooperation for Hydropower Development". Keck Journal of Foreign Affairs, Forthcoming. SSRN 2193796.
  2. ^ "India-Bangladesh Political Relations" (PDF). Sharing of River Waters. Ministry of External Affairs, Government of India, February 2007. Archived from the original (PDF) on 2007-09-25. Retrieved 2007-12-18.