HydroBASINS lev08 watershed · #1080620710
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 2 administrative regions across 2 countries : Gourma-Rharous, Oudalan
Sub-basin area
167,7km²
Upstream area
29 451,8km²
Discharge
24,65m³/s
Mean elev.
258m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Béli1553 km²
- Bassin de Béli1513 km²
2 dept-equivalent regions (GADM L2)
- 140.0 km²83.8% of basin
- 27.1 km²16.2% of basin
1 intersecting protected areas
Sahel
IUCN IVSylvo-pastoral Reserve and Partial Wildlife Reserve
141.73 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
38 distinct species · 41 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
319mm
Moisture idx (CMI)
-0,85
Runoff
40mm/an
PET
2 138mm
AET
266mm
Mean slope
0,2°
Water table
55cm
Forest
0%
Crops
20%
Urban
0%
Protected
83%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)