HydroBASINS lev08 watershed · #1081100380
Bassin de Ngoko
A watershed (drainage basin) is not a body of water — it is the land area where rainfall converges towards a single river that eventually reaches the sea (or an endorheic basin). Boundaries follow ridgelines.
Crosses 2 administrative regions across 2 countries : Boumba et Ngoko, Ouesso
Sub-basin area
114,5km²
Upstream area
73 250km²
Discharge
736,5m³/s
Mean elev.
395m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Ngoko1210 km²
- Bassin de Boulou746 km²
2 dept-equivalent regions (GADM L2)
- 77.0 km²67.6% of basin
- 37.0 km²32.4% of basin
1 intersecting protected areas
Partie camerounaise du fleuve Sangha
IUCN Not ReportedWetland of International Importance (Ramsar Site)
2.94 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
1 distinct species · 5 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Not enough documented interactions to build a meaningful graph for this territory.
Hydroclimate (BasinATLAS lev08)
Mean T°
24,7°C
Annual rain
1 640mm
Moisture idx (CMI)
-0,03
Runoff
273mm/an
PET
1 693mm
AET
1 340mm
Mean slope
2,5°
Water table
162cm
Forest
100%
Crops
0%
Urban
0%
Protected
4%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)