HydroBASINS lev08 watershed · #1081204920
Bassin de Bigongo
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 4 administrative regions : Dola, Douigny, Douya Onoye, Mougoutsi
Sub-basin area
3 520,2km²
Upstream area
3 520,2km²
Discharge
98,63m³/s
Mean elev.
272m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
4 dept-equivalent regions (GADM L2)
- 1792.3 km²51.1% of basin
- 1340.9 km²38.3% of basin
- 354.7 km²10.1% of basin
- 16.7 km²0.5% of basin
2 intersecting protected areas
Domaine de chasse de Moukalaba
IUCN Not ReportedHunting Area
32.84 km² overlap
National park
0.95 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
598 distinct species · 2 308 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°
24,9°C
Annual rain
1 738mm
Moisture idx (CMI)
0,02
Runoff
887mm/an
PET
1 701mm
AET
1 328mm
Mean slope
2,7°
Water table
112cm
Forest
87%
Crops
1%
Urban
0%
Protected
1%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)