HydroBASINS lev08 watershed · #1080708370
Bassin de Gambie
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 : Kédougou, Salémata
Sub-basin area
83,1km²
Upstream area
14 095,9km²
Discharge
126,54m³/s
Mean elev.
93m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Gambie886 km²
- Bassin de Gambie415 km²
2 dept-equivalent regions (GADM L2)
- 47.9 km²57.9% of basin
- 34.9 km²42.1% of basin
3 intersecting protected areas
National Park
34.44 km² overlap
Niokolo-Koba National Park
IUCN Not ApplicableWorld Heritage Site (natural or mixed)
30.77 km² overlap
Parc national du Niokolo-Koba
IUCN Not ApplicableUNESCO-MAB Biosphere Reserve
30.77 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°
28,1°C
Annual rain
1 139mm
Moisture idx (CMI)
-0,43
Runoff
140mm/an
PET
1 989mm
AET
853mm
Mean slope
3,3°
Water table
265cm
Forest
29%
Crops
3%
Urban
0%
Protected
37%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)