HydroBASINS lev08 watershed · #1080848360
Bassin de Ouandija
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 : Birao, Ouanda Djallé
Sub-basin area
676,9km²
Upstream area
676,9km²
Discharge
0,96m³/s
Mean elev.
561m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
2 dept-equivalent regions (GADM L2)
- 641.3 km²95.1% of basin
- 32.8 km²4.9% of basin
1 intersecting protected areas
Ouandjia-Vakaga
IUCN IVFaunal Reserve
674.13 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
2 distinct species · 2 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°
26,0°C
Annual rain
1 007mm
Moisture idx (CMI)
-0,52
Runoff
45mm/an
PET
2 080mm
AET
850mm
Mean slope
1,2°
Water table
165cm
Forest
4%
Crops
0%
Urban
0%
Protected
100%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)