HydroBASINS lev08 watershed · #1080663790
Bassin · #1080663790
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 : Kollo, Ouallam, Tillabéry
Sub-basin area
1 092,4km²
Upstream area
1 946,9km²
Discharge
0,74m³/s
Mean elev.
253m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin · #1080649430178 km²
- Bassin · #108064929013 km²
3 dept-equivalent regions (GADM L2)
- OuallamTillabéry · Niger1087.2 km²99.9% of basin
- 1.1 km²0.1% of basin
- 0.1 km²0.0% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
3 distinct species · 21 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°
29,3°C
Annual rain
367mm
Moisture idx (CMI)
-0,83
Runoff
12mm/an
PET
2 122mm
AET
307mm
Mean slope
0,7°
Water table
261cm
Forest
0%
Crops
12%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)