HydroBASINS lev08 watershed · #1080618350
Bassin · #1080618350
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 across 2 countries : Ménaka, Ouallam
Sub-basin area
1 170,3km²
Upstream area
1 170,3km²
Discharge
0,13m³/s
Mean elev.
289m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
2 dept-equivalent regions (GADM L2)
- 590.1 km²50.6% of basin
- OuallamTillabéry · Niger576.1 km²49.4% of basin
1 intersecting protected areas
Ansongo Giraffe Reserve
IUCN IVPartial Wildlife Reserve
589.16 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
1 distinct species · 1 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
254mm
Moisture idx (CMI)
-0,88
Runoff
4mm/an
PET
2 145mm
AET
211mm
Mean slope
0,3°
Water table
183cm
Forest
0%
Crops
0%
Urban
0%
Protected
51%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)