HydroBASINS lev08 watershed · #1081153870
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 3 administrative regions : Boundji, Makoua, Owando
Sub-basin area
584,8km²
Upstream area
6 652,2km²
Discharge
141,09m³/s
Mean elev.
361m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Kouyou357 km²
- Bassin de Kouyou273 km²
3 dept-equivalent regions (GADM L2)
- 376.9 km²64.7% of basin
- 199.3 km²34.2% of basin
- 5.9 km²1.0% of basin
1 intersecting protected areas
Tchicapika-Owando
IUCN VIWetland of International Importance (Ramsar Site)
80.34 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°
25,1°C
Annual rain
1 710mm
Moisture idx (CMI)
0,03
Runoff
376mm/an
PET
1 665mm
AET
1 430mm
Mean slope
1,1°
Water table
31cm
Forest
76%
Crops
2%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)