HydroBASINS lev08 watershed · #1081143990
Bassin de Sangha
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 : Epéna, Loukoléla, Ouesso
Sub-basin area
1 156,6km²
Upstream area
176 843km²
Discharge
1 799,12m³/s
Mean elev.
327m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin · #1081134600411 km²
- Bassin de Sangha62 km²
3 dept-equivalent regions (GADM L2)
- 905.1 km²78.6% of basin
- 193.4 km²16.8% of basin
- 52.9 km²4.6% of basin
1 intersecting protected areas
Grands affluents
IUCN Not ReportedWetland of International Importance (Ramsar Site)
1151.40 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
10 distinct species · 21 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°
25,3°C
Annual rain
1 670mm
Moisture idx (CMI)
0,01
Runoff
214mm/an
PET
1 650mm
AET
1 394mm
Mean slope
0,2°
Water table
12cm
Forest
97%
Crops
0%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)