HydroBASINS lev08 watershed · #1081116700
Bassin de Lengoue
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 : Ouesso, Sembé
Sub-basin area
1 815,1km²
Upstream area
1 815,4km²
Discharge
19,94m³/s
Mean elev.
516m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
2 dept-equivalent regions (GADM L2)
- 1422.9 km²78.7% of basin
- 384.1 km²21.3% of basin
3 intersecting protected areas
Odzala Kokoua
IUCN Not ReportedWetland of International Importance (Ramsar Site)
6.16 km² overlap
National Park
6.16 km² overlap
Parc national d'Odzala
IUCN Not ApplicableUNESCO-MAB Biosphere Reserve
4.28 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
9 distinct species · 20 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°
24,1°C
Annual rain
1 646mm
Moisture idx (CMI)
-0,01
Runoff
329mm/an
PET
1 668mm
AET
1 366mm
Mean slope
2,5°
Water table
98cm
Forest
98%
Crops
0%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)