HydroBASINS lev08 watershed · #1080022890
Bassin de Benin River
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 : Ovia North-East, Warri North
Sub-basin area
43,4km²
Upstream area
9 269,9km²
Discharge
444,66m³/s
Mean elev.
13m
Administrative coverage
Hydrographic chain
▼ Drains into
Outlet (drains to ocean / endorheic)
▲ Receives from 2 basins
- Bassin de Oloji Creek1068 km²
- Bassin de Benin River182 km²
2 dept-equivalent regions (GADM L2)
- 35.7 km²82.6% of basin
- 7.5 km²17.3% of basin
2 intersecting protected areas
Gilli-Gilli
IUCN Not ReportedForest Reserve
11.07 km² overlap
Gilli-Gilli
IUCN IVGame Reserve
11.07 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
0 distinct species · 0 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°
26,7°C
Annual rain
2 486mm
Moisture idx (CMI)
0,38
Runoff
1 448mm/an
PET
1 548mm
AET
1 233mm
Mean slope
0,5°
Water table
28cm
Forest
100%
Crops
15%
Urban
0%
Protected
26%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)