HydroBASINS lev08 watershed · #1080710560
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
415,4km²
Upstream area
13 127,2km²
Discharge
120,71m³/s
Mean elev.
92m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Gambie2477 km²
- Bassin de Tiokoye1290 km²
2 dept-equivalent regions (GADM L2)
- 222.1 km²53.7% of basin
- 191.7 km²46.3% of basin
3 intersecting protected areas
National Park
220.80 km² overlap
Niokolo-Koba National Park
IUCN Not ApplicableWorld Heritage Site (natural or mixed)
210.82 km² overlap
Parc national du Niokolo-Koba
IUCN Not ApplicableUNESCO-MAB Biosphere Reserve
210.82 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
27 distinct species · 45 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°
28,2°C
Annual rain
1 138mm
Moisture idx (CMI)
-0,43
Runoff
137mm/an
PET
1 995mm
AET
853mm
Mean slope
2,0°
Water table
175cm
Forest
6%
Crops
0%
Urban
0%
Protected
51%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)