HydroBASINS lev08 watershed · #1080778420
Bassin du Niger
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 : Kankan, Kouroussa, Siguiri
Sub-basin area
320,9km²
Upstream area
32 189,9km²
Discharge
422,05m³/s
Mean elev.
391m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin du Niger626 km²
- Bassin de Wounoun459 km²
3 dept-equivalent regions (GADM L2)
- 232.4 km²72.7% of basin
- 50.3 km²15.8% of basin
- 36.9 km²11.5% of basin
1 intersecting protected areas
Niger-Niandan-Milo
IUCN IVWetland of International Importance (Ramsar Site)
319.60 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
12 distinct species · 15 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°
26,0°C
Annual rain
1 445mm
Moisture idx (CMI)
-0,31
Runoff
348mm/an
PET
2 093mm
AET
1 038mm
Mean slope
1,8°
Water table
115cm
Forest
0%
Crops
1%
Urban
7%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)