HydroBASINS lev08 watershed · #1080707350
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
19,5km²
Upstream area
14 322km²
Discharge
126,96m³/s
Mean elev.
64m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Sarakouta Yo207 km²
- Bassin de Gambie83 km²
2 dept-equivalent regions (GADM L2)
- 11.2 km²57.5% of basin
- 8.3 km²42.5% of basin
3 intersecting protected areas
National Park
8.06 km² overlap
Niokolo-Koba National Park
IUCN Not ApplicableWorld Heritage Site (natural or mixed)
7.94 km² overlap
Parc national du Niokolo-Koba
IUCN Not ApplicableUNESCO-MAB Biosphere Reserve
7.94 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
1 distinct species · 1 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 109mm
Moisture idx (CMI)
-0,45
Runoff
131mm/an
PET
2 000mm
AET
843mm
Mean slope
2,3°
Water table
153cm
Forest
9%
Crops
1%
Urban
0%
Protected
41%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)