HydroBASINS lev08 watershed · #1080711050
Bassin de Koulountou
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 3 administrative regions across 2 countries : Koundara, Tambacounda, Vélingara
Sub-basin area
294km²
Upstream area
294km²
Discharge
1,83m³/s
Mean elev.
80m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
3 dept-equivalent regions (GADM L2)
- 256.3 km²87.5% of basin
- 36.5 km²12.4% of basin
- TambacoundaTambacounda · Senegal0.1 km²0.0% of basin
4 intersecting protected areas
Gambie-Koulountou
IUCN Not ReportedWetland of International Importance (Ramsar Site)
205.35 km² overlap
National Park
34.85 km² overlap
Niokolo-Koba National Park
IUCN Not ApplicableWorld Heritage Site (natural or mixed)
21.87 km² overlap
Parc national du Niokolo-Koba
IUCN Not ApplicableUNESCO-MAB Biosphere Reserve
21.87 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
1 distinct species · 2 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°
27,2°C
Annual rain
1 258mm
Moisture idx (CMI)
-0,36
Runoff
210mm/an
PET
1 963mm
AET
878mm
Mean slope
1,1°
Water table
113cm
Forest
56%
Crops
2%
Urban
0%
Protected
7%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)