HydroBASINS lev08 watershed · #1081198460
Bassin de Ngounié
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 across 2 countries : Boumi-lowetsi, Divénié, Dola
Sub-basin area
258,7km²
Upstream area
2 352,5km²
Discharge
54,84m³/s
Mean elev.
215m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Ngounié667 km²
- Bassin de Boussissi460 km²
3 dept-equivalent regions (GADM L2)
- 180.6 km²70.1% of basin
- 39.5 km²15.3% of basin
- 37.6 km²14.6% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
11 distinct species · 23 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°
25,5°C
Annual rain
1 686mm
Moisture idx (CMI)
-0,02
Runoff
796mm/an
PET
1 723mm
AET
1 338mm
Mean slope
3,0°
Water table
120cm
Forest
100%
Crops
1%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)