HydroBASINS lev08 watershed · #1081148340
Bassin de Nooué
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 : Komo, Komo-Mondah, Ogooué et des Lacs
Sub-basin area
264,6km²
Upstream area
264,6km²
Discharge
10,9m³/s
Mean elev.
76m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
3 dept-equivalent regions (GADM L2)
- 249.6 km²94.7% of basin
- 13.1 km²5.0% of basin
- 0.8 km²0.3% of basin
3 intersecting protected areas
Bas Ogooue
IUCN Not ReportedWetland of International Importance (Ramsar Site)
1.50 km² overlap
Wonga-Wongué
IUCN IVWetland of International Importance (Ramsar Site)
0.42 km² overlap
Reserve Présidentielle Wonga Wongué
IUCN Not ReportedPresidential reserve
0.42 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
27 distinct species · 75 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°
25,9°C
Annual rain
2 274mm
Moisture idx (CMI)
0,35
Runoff
1 292mm/an
PET
1 479mm
AET
1 273mm
Mean slope
3,3°
Water table
148cm
Forest
99%
Crops
0%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)