HydroBASINS lev08 watershed · #1080630170
Bassin de Béli
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 3 countries : Ansongo, Oudalan, Téra
Sub-basin area
575km²
Upstream area
43 001km²
Discharge
42,83m³/s
Mean elev.
266m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin · #10806277701113 km²
- Bassin de Béli45 km²
3 dept-equivalent regions (GADM L2)
- 406.2 km²70.9% of basin
- 159.9 km²27.9% of basin
- AnsongoGao · Mali6.9 km²1.2% of basin
2 intersecting protected areas
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
310mm
Moisture idx (CMI)
-0,85
Runoff
28mm/an
PET
2 129mm
AET
258mm
Mean slope
0,7°
Water table
230cm
Forest
0%
Crops
9%
Urban
0%
Protected
22%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)