Nyong River

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.

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
 • elevation690 m (2,260 ft)
MouthBight of Biafra
 • coordinates
3°15′39″N 9°54′16″E
 • 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

Course

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

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

Transport

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
  1. PDF about the Hydrology of Cameroon (french)
  2. 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.
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