HydroBASINS lev08 watershed · #1081168850
Bassin de Ogooué
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 1 administrative regions : Bendjé
Sub-basin area
403,2km²
Upstream area
213 081,5km²
Discharge
4 761,83m³/s
Mean elev.
38m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Ogooué447 km²
- Bassin de Rèmbo Ouango44 km²
1 dept-equivalent regions (GADM L2)
- 401.4 km²100.0% of basin
3 intersecting protected areas
Bas Ogooue
IUCN Not ReportedWetland of International Importance (Ramsar Site)
335.15 km² overlap
Reserve Présidentielle Wonga Wongué
IUCN Not ReportedPresidential reserve
10.11 km² overlap
Wonga-Wongué
IUCN IVWetland of International Importance (Ramsar Site)
10.11 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
23 distinct species · 42 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°
25,7°C
Annual rain
2 056mm
Moisture idx (CMI)
0,31
Runoff
1 167mm/an
PET
1 422mm
AET
1 204mm
Mean slope
1,5°
Water table
47cm
Forest
93%
Crops
2%
Urban
0%
Protected
3%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)