HydroBASINS lev08 watershed · #1081154600
Bassin de Kouyou
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 4 administrative regions : Boundji, Ewo, Makoua, Owando
Sub-basin area
913,1km²
Upstream area
5 072,6km²
Discharge
118,33m³/s
Mean elev.
400m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Kouyou480 km²
- Bassin de Kouyou107 km²
4 dept-equivalent regions (GADM L2)
- 838.6 km²92.3% of basin
- 34.5 km²3.8% of basin
- 22.9 km²2.5% of basin
- 12.9 km²1.4% of basin
1 intersecting protected areas
Leketi-Mbama
IUCN Not ReportedWetland of International Importance (Ramsar Site)
238.92 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
1 distinct species · 1 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°
24,8°C
Annual rain
1 733mm
Moisture idx (CMI)
0,05
Runoff
499mm/an
PET
1 643mm
AET
1 422mm
Mean slope
2,2°
Water table
81cm
Forest
70%
Crops
4%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)