HydroBASINS lev08 watershed · #1080815130
Bassin de Oli
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 : Baruten, Borgu, Kaiama
Sub-basin area
221,8km²
Upstream area
3 827,1km²
Discharge
26,87m³/s
Mean elev.
286m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Oli563 km²
- Bassin de Oli10 km²
3 dept-equivalent regions (GADM L2)
- 219.0 km²99.1% of basin
- 1.7 km²0.7% of basin
- 0.2 km²0.1% of basin
2 intersecting protected areas
Kainji Lake
IUCN IINational Park
215.44 km² overlap
Borgu
IUCN Not ReportedForest Reserve
47.18 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
2 distinct species · 3 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°
26,8°C
Annual rain
1 125mm
Moisture idx (CMI)
-0,41
Runoff
230mm/an
PET
1 911mm
AET
895mm
Mean slope
0,9°
Water table
98cm
Forest
99%
Crops
25%
Urban
0%
Protected
98%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)