HydroBASINS lev08 watershed · #1080748840
Bassin de Koumba
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 : Gaoual, Lélouma
Sub-basin area
32km²
Upstream area
2 970,1km²
Discharge
46,22m³/s
Mean elev.
222m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Bombiwol863 km²
- Bassin de Koumba468 km²
2 dept-equivalent regions (GADM L2)
- 26.5 km²83.1% of basin
- 5.4 km²16.9% of basin
1 intersecting protected areas
Nialama (or Nyalama)
IUCN Not ReportedClassified Forest
17.06 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
6 distinct species · 10 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°
26,8°C
Annual rain
1 726mm
Moisture idx (CMI)
-0,11
Runoff
470mm/an
PET
1 948mm
AET
1 035mm
Mean slope
5,1°
Water table
299cm
Forest
99%
Crops
9%
Urban
0%
Protected
54%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)