HydroBASINS lev08 watershed · #1081157430
Bassin · #1081157430
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 : Komo, Ogooué et des Lacs
Sub-basin area
303,5km²
Upstream area
303,5km²
Discharge
11,85m³/s
Mean elev.
64m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
2 dept-equivalent regions (GADM L2)
- 298.0 km²98.6% of basin
- 4.2 km²1.4% of basin
3 intersecting protected areas
Reserve Présidentielle Wonga Wongué
IUCN Not ReportedPresidential reserve
277.16 km² overlap
Wonga-Wongué
IUCN IVWetland of International Importance (Ramsar Site)
277.16 km² overlap
Bas Ogooue
IUCN Not ReportedWetland of International Importance (Ramsar Site)
22.75 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
38 distinct species · 83 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 175mm
Moisture idx (CMI)
0,32
Runoff
1 229mm/an
PET
1 482mm
AET
1 266mm
Mean slope
2,4°
Water table
98cm
Forest
78%
Crops
6%
Urban
0%
Protected
92%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)