HydroBASINS lev08 watershed · #1081153660
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 2 administrative regions : Abanga-Bigné, Ogooué et des Lacs
Sub-basin area
124,1km²
Upstream area
169 098,1km²
Discharge
3 398,32m³/s
Mean elev.
55m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Ogooué691 km²
- Bassin de Abanga590 km²
2 dept-equivalent regions (GADM L2)
- 115.3 km²93.3% of basin
- 8.3 km²6.7% of basin
1 intersecting protected areas
Bas Ogooue
IUCN Not ReportedWetland of International Importance (Ramsar Site)
123.58 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
16 distinct species · 56 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°
26,2°C
Annual rain
2 105mm
Moisture idx (CMI)
0,24
Runoff
752mm/an
PET
1 597mm
AET
1 360mm
Mean slope
1,6°
Water table
87cm
Forest
58%
Crops
5%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)