HydroBASINS lev08 watershed · #1080692970
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 2 administrative regions : Kollo, Say
Sub-basin area
54,3km²
Upstream area
687 670,3km²
Discharge
750,36m³/s
Mean elev.
217m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin du Niger330 km²
- Bassin du Niger295 km²
2 dept-equivalent regions (GADM L2)
- SayTillabéry · Niger49.2 km²91.0% of basin
- 4.9 km²9.0% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
0 distinct species · 0 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°
29,0°C
Annual rain
559mm
Moisture idx (CMI)
-0,73
Runoff
50mm/an
PET
2 093mm
AET
471mm
Mean slope
0,6°
Water table
314cm
Forest
0%
Crops
82%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)