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Nyong River

Coordinates: 3°15′39″N 9°54′16″E / 3.26083°N 9.90444°E / 3.26083; 9.90444
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Nyong river
Yong
Nyong River
The Nyong River in Cameroon
Location
CountryCameroon
RegionsLittoral Region, East Region, South Region, Centre RegionCentre Region
CitiesAbong-Mbang, Mbalmayo
Physical characteristics
Source 
 • locationNear Abong-Mbang
 • coordinates3°52′00″N 13°28′00″E / 3.86667°N 13.46667°E / 3.86667; 13.46667
 • elevation690 m (2,260 ft)
MouthBight of Biafra
 • coordinates
3°15′39″N 9°54′16″E / 3.26083°N 9.90444°E / 3.26083; 9.90444
 • elevation
0 m
Length690 km (430 mi)
Basin size27,800 km2 (10,734 sq mi) [1]
Discharge 
 • locationDéhané
 • average446 m3/s (15,800 cu ft/s)
 • minimum40 m3/s (1,400 cu ft/s)
 • maximum1,226 m3/s (43,300 cu ft/s)
Basin features
River systemNyong River
Population1,179,200
Tributaries 
 • leftLong Mafok, Soo, Soumou, Kama [1]
 • rightKom, Mfoumou, Afamba, Ato, Mefou, Akono, Liyeke, Kéllé [1]
WaterfallsTrappenbeck Rapids

The Nyong (formerly German: Yong) is a river in Cameroon. The river flows approximately 690 kilometres (430 mi) to empty into the Gulf of Guinea.

Course

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The Nyong originates 40 km (25 mi) east of the town of Abong-Mbang, where the northern rain forest feeds it.[2] The river's length is almost parallel to the lower reaches of the Sanaga River. Its mouth is in Petit Batanga, 60 km (40 mi) south-southwest of Edéa.[3] In two places, Mbalmayo and Déhané, the river has huge rapids. The first 400 km (250 mi) of the river, between Abong-Mbang and Mbalmayo, are navigable for small boats from April to November.

Slope of Nyong River
Slope of Nyong River

Hydrology

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The flow of the river as measured at Déhané in m³/s:[1]

Transport

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The town of Mbalmayo, which has a railhead, lies on the north bank of this river.[2] The towns of Akonolinga and Abong-Mbang also lie on it.

References

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  1. ^ a b c d PDF about the Hydrology of Cameroon (french)
  2. ^ a b Runge, Jürgen (2012-05-30). Landscape Evolution, Neotectonics and Quaternary Environmental Change in Southern Cameroon: Palaeoecology of Africa Vol. 31, An International Yearbook of Landscape Evolution and Palaeoenvironments. CRC Press. p. 157. ISBN 9780415677356.
  3. ^ Office, United States Hydrographic (1952). Publications ... U.S. Government Printing Office. p. 123.