HydroBASINS lev08 watershed · #1081189630
Bassin de Ngounié
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 3 administrative regions : Dola, Douya Onoye, Ogoulou
Sub-basin area
152,6km²
Upstream area
12 146,9km²
Discharge
354,57m³/s
Mean elev.
173m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Ngounié1216 km²
- Bassin de Ogoulou92 km²
3 dept-equivalent regions (GADM L2)
- 109.5 km²72.1% of basin
- 42.4 km²27.9% of basin
- 0.0 km²0.0% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
46 distinct species · 73 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°
26,0°C
Annual rain
1 917mm
Moisture idx (CMI)
0,02
Runoff
1 028mm/an
PET
1 879mm
AET
1 485mm
Mean slope
4,3°
Water table
212cm
Forest
99%
Crops
3%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)