HydroBASINS lev08 watershed · #1081093560
Bassin · #1081093560
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 : Dongou, Epéna, Ouesso
Sub-basin area
995,4km²
Upstream area
995,4km²
Discharge
9,58m³/s
Mean elev.
425m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
3 dept-equivalent regions (GADM L2)
- 938.7 km²94.7% of basin
- 28.9 km²2.9% of basin
- 23.4 km²2.4% of basin
4 intersecting protected areas
Sangha Trinational
IUCN Not ApplicableWorld Heritage Site (natural or mixed)
554.71 km² overlap
National Park
540.40 km² overlap
Grands affluents
IUCN Not ReportedWetland of International Importance (Ramsar Site)
75.18 km² overlap
Sangha-Nouabalé-Ndoki
IUCN Not ReportedWetland of International Importance (Ramsar Site)
0.58 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
9 distinct species · 11 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°
24,5°C
Annual rain
1 705mm
Moisture idx (CMI)
0,00
Runoff
248mm/an
PET
1 698mm
AET
1 368mm
Mean slope
1,9°
Water table
117cm
Forest
100%
Crops
0%
Urban
0%
Protected
55%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)