HydroBASINS lev08 watershed · #1080615660
Bassin · #1080615660
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 : Filingué, Ménaka, Ouallam
Sub-basin area
1 532,4km²
Upstream area
5 510,4km²
Discharge
3,47m³/s
Mean elev.
286m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin · #10805966901128 km²
- Bassin · #1080596920487 km²
3 dept-equivalent regions (GADM L2)
- 1301.8 km²85.3% of basin
- 210.3 km²13.8% of basin
- OuallamTillabéry · Niger14.9 km²1.0% of basin
1 intersecting protected areas
Ansongo Giraffe Reserve
IUCN IVPartial Wildlife Reserve
238.11 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
3 distinct species · 10 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°
29,6°C
Annual rain
253mm
Moisture idx (CMI)
-0,88
Runoff
7mm/an
PET
2 147mm
AET
210mm
Mean slope
0,6°
Water table
184cm
Forest
0%
Crops
1%
Urban
0%
Protected
14%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)