HydroBASINS lev08 watershed · #1080615850
Bassin · #1080615850
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
766,2km²
Upstream area
766,2km²
Discharge
0,09m³/s
Mean elev.
285m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
3 dept-equivalent regions (GADM L2)
- 403.1 km²52.8% of basin
- OuallamTillabéry · Niger325.1 km²42.6% of basin
- 35.3 km²4.6% of basin
1 intersecting protected areas
Ansongo Giraffe Reserve
IUCN IVPartial Wildlife Reserve
402.25 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
17 distinct species · 23 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°
29,5°C
Annual rain
268mm
Moisture idx (CMI)
-0,87
Runoff
4mm/an
PET
2 142mm
AET
223mm
Mean slope
0,5°
Water table
182cm
Forest
0%
Crops
7%
Urban
0%
Protected
55%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)