HydroBASINS lev08 watershed · #1081197380
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 4 administrative regions across 2 countries : Boumi-lowetsi, Divénié, Dola, Louetsi-Wano
Sub-basin area
230,5km²
Upstream area
3 121,5km²
Discharge
76,29m³/s
Mean elev.
225m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Douaï538 km²
- Bassin de Ngounié259 km²
4 dept-equivalent regions (GADM L2)
- 84.8 km²37.0% of basin
- 71.7 km²31.3% of basin
- 41.1 km²17.9% of basin
- 31.9 km²13.9% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
5 distinct species · 27 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 761mm
Moisture idx (CMI)
0,00
Runoff
882mm/an
PET
1 755mm
AET
1 375mm
Mean slope
3,3°
Water table
135cm
Forest
100%
Crops
0%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)