HydroBASINS lev08 watershed · #1080620720
Bassin · #1080620720
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 : Ansongo, Tillabéry
Sub-basin area
1 206,8km²
Upstream area
1 206,8km²
Discharge
0,65m³/s
Mean elev.
284m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
2 dept-equivalent regions (GADM L2)
- AnsongoGao · Mali1086.8 km²90.4% of basin
- 115.8 km²9.6% of basin
1 intersecting protected areas
Ansongo Giraffe Reserve
IUCN IVPartial Wildlife Reserve
1086.95 km² overlap
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
254mm
Moisture idx (CMI)
-0,88
Runoff
21mm/an
PET
2 094mm
AET
211mm
Mean slope
0,6°
Water table
242cm
Forest
0%
Crops
12%
Urban
0%
Protected
89%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)