HydroBASINS lev08 watershed · #1080786980
Bassin de Ouassouloubale
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 : Mandiana, Yanfolila
Sub-basin area
381,4km²
Upstream area
381,4km²
Discharge
4,14m³/s
Mean elev.
408m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
2 dept-equivalent regions (GADM L2)
- YanfolilaSikasso · Mali253.5 km²66.7% of basin
- 126.4 km²33.3% of basin
1 intersecting protected areas
Sankarani-Fié
IUCN IVWetland of International Importance (Ramsar Site)
91.63 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
Graphe en cours d’indexation
Calcul du tissu écologique de cette entité.
Le graphe apparaîtra automatiquement dès que le calcul est terminé (rafraîchissement toutes les 2s).
Hydroclimate (BasinATLAS lev08)
Mean T°
26,5°C
Annual rain
1 296mm
Moisture idx (CMI)
-0,37
Runoff
343mm/an
PET
2 058mm
AET
981mm
Mean slope
1,3°
Water table
115cm
Forest
4%
Crops
1%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)