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Stream

Nyong River

640 km from source to mouth · Cameroon.

CameroonCameroonFlows into Bight of Biafra3rd longest in Cameroon

Follow the riverMonth by month

SourceMouth
The river and every tributary in its basin, drawn from RiverATLAS (CC BY 4.0).

In numbers

Length

640km

Average flow

450m³/s

Basin

28,000km²

Drop

680m

from 681 m to 1 m

Country

1

The journey

From source to mouth

640 km of river and 5 stops on the way: 3 towns and cities on its banks, dams, bridges and the tributaries that feed it.

681 m1 m
Sourceat 681 m0 km
Akonolinga30,078 people155 km
Mbalmayo82,384 people314 km
Chute Mpoumé418 km
chutes de Ngo Njock Lipo461 km
Bight of Biafraat 1 m640 km
0200400640 km
  1. 0 kmSourceat 681 m
  2. 23 kmAbong Mbang24,433 people
  3. 155 kmAkonolinga30,078 people
  4. 314 kmMbalmayo82,384 people
  5. 418 kmChute Mpoumé
  6. 461 kmchutes de Ngo Njock Lipo
  7. 640 kmBight of Biafraat 1 m

Water level along the river (RiverATLAS; the height is exaggerated). Towns: GeoNames and Wikidata; bridges, dams and tributaries: Wikidata.

River in Cameroon

At the mouth it carries 446 m³/s on average: an Olympic pool every 5.6 seconds. It drops from 681 m to 1 m, 1.1 m per kilometre on average. Its basin covers 28,000 km², about the size of GQ. 3.1 million people live in it. Highest water: from October to November; lowest: from January to March. No large dam holds it back: it is one of the world's free-flowing rivers.

Read more on Wikipedia

Where to start

  • MbalmayoLargest city on its banks · 82,384 people
  • Yaoundé Nsimalen International Airport (NSI)Nearest airport with scheduled flights, 24 km from the cityCar hire at DLA airport (Douala)Discover Cars · Affiliate link
  • On the water2 ferry piers, marinas, boat rentals and boat ramps along the river (OpenStreetMap)
  • From December to FebruaryThe best months to visit

Nyong River, month by month

Highest water: from October to November

Lowest water: from January to March. Best months to visit: from December to February.

310
25°27 mmJan
200
25°52 mmFeb
420
25°144 mmMar
760
25°195 mmApr
1,100
25°239 mmMay
1,100
24°172 mmJun
900
23°99 mmJul
710
23°134 mmAug
1,100
24°291 mmSep
1,600
24°322 mmOct
1,500
24°131 mmNov
850
25°33 mmDec
Water (estimated flow)Air (average) Rain (mm)Best months

From about 200 m³/s in the lowest month to 1,600 m³/s in the highest. An estimate: the monthly flow is modelled from the lowest and highest months of WaterGAP (RiverATLAS, 1971–2000) and the rain and snow along the river (WorldClim). Dams change the real rhythm. The chip is the average air temperature; below it, the month's rain.

Plan the trip

Plan the trip: boat trips, a bed by the river, a car

Some links above are affiliate links: if you book through them we may earn a commission, at no extra cost to you. It never changes what the data on this page says.

The basin

Nyong River: the basin in numbers

27,887 km² of land send their water to this river. This is what lives on it.

Free-flowingDams upstream can hold only 0.0% of a year's flow: the river still keeps its natural rhythm.
  • 3.1millionpeople live in the basin
  • 109/km²people per km²
  • 588maverage altitude of the basin
  • 1,811mmof rain a year (basin average)
  • 24.1°Caverage air temperature
  • 4%protected areas

What covers the basin

  • 83% Forest
  • 1% Cropland
  • 1% Towns and cities

RiverATLAS (HydroATLAS v1.0, CC BY 4.0): land cover, people, protected areas, glaciers and dams over the whole basin upstream of the mouth.

Along the river

Nyong River: what you find on the way

  • 3WaterfallsChute Mpoumé, Chutes de Dehanè
  • 2Boat ramps

From OpenStreetMap, within 2.1 km of the river. Not mapped is not the same as not there.

Cross-checked with our atlases

Nyong River in our other atlases

What our sister atlases know about the waterfalls on this river, the lakes it flows through, the beaches at its mouth, the mountains where it rises and the islands off its mouth.

  • 2waterfalls on the riverCascadyas

Waterfalls (2)

On the river, by Cascadyas

  1. Chute Mpoumékm 418
  2. chutes de Ngo Njock Lipokm 462

Cascadyas is coming soonOpen Cascadyas ↗

From space

The source and the mouth, seen from orbit

Nyong River: satellite view of the source
The source14 km across
Nyong River: satellite view of the mouth
The mouth23 km across

Sentinel-2 cloudless 2016 by EOX IT Services GmbH (contains modified Copernicus Sentinel data 2016), CC BY 4.0. The glowing line is the river as drawn by RiverATLAS.

Photos

Nyong River in pictures

Nyong river Cameroon
Mathieu lubrano · CC BY-SA 4.0
At the Jungles of River Nyong
Ndemwah · CC BY-SA 4.0
Balade sur le Nyong, Site écotouristique d'Ebogo, Cameroun
KrystjanM · CC BY-SA 4.0
Berges du fleuve Nyong à Nkollesong
Juan-Junior Moui Ntomb · CC BY-SA 4.0

Where these numbers come from

Name, length, placesWikidata (Q2573357) · CC0
Course, profile, basinRiverATLAS v1.0 (HydroATLAS, Linke et al. 2019) · CC BY 4.0 — followed from the source to the mouth given by Wikidata
FlowWaterGAP (RiverATLAS), 1971–2000 · CC BY 4.0
Climate along the riverWorldClim (RiverATLAS), 1970–2000 · CC BY 4.0
Towns, bridges, damsWikidata · CC0; GeoNames · CC BY 4.0
Along the river© OpenStreetMap contributors · ODbL
ImagesEOX Sentinel-2 cloudless 2016 · CC BY 4.0; Wikimedia Commons
Our other atlasesCascadyas — Wikidata · CC0; © OpenStreetMap contributors · ODbL; GeoNames · CC BY 4.0; HydroLAKES · CC BY 4.0; NOAA OISST

Every source and licence is on the data sources page.

The family

Do you prefer beaches, lakes, mountains, waterfalls, islands, rivers or canyons?

Same idea, other landscapes: field atlases built on open data, month by month, in seven languages.

beachesCoastyaFind your beach: sea temperature, sun and swimming month by month.Visit
lakesLakeyasEvery lake on Earth: water temperature, ice, depth and the shore.Coming soonVisit
mountainsPeakyasEvery summit in 3D: summit weather, the 0 °C line, huts and trails.Visit
waterfallsCascadyasEvery waterfall: height, flow month by month and when it roars.Coming soonVisit
islandsIslandyasEvery island from the sea up: size, sea temperature, ferries and 3D.Coming soonVisit
riversRiveryasEvery river from source to sea: the journey, the flow and the basin in numbers.You are here
canyonsCanyonyasEvery canyon cut to scale: depth to the floor, rim and floor temperatures, trails and viewpoints.Coming soonVisit