HydroBASINS lev08 watershed · #1080901820
Bassin de Ouham
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 2 countries : Barh Sara, Batangafo, Markounda
Sub-basin area
16,9km²
Upstream area
56 759,1km²
Discharge
357,01m³/s
Mean elev.
395m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Yasa1932 km²
- Bassin de Ouham377 km²
3 dept-equivalent regions (GADM L2)
- 10.5 km²62.3% of basin
- 4.6 km²27.2% of basin
- 1.8 km²10.5% of basin
1 intersecting protected areas
Nana-Barya
IUCN IVFaunal Reserve
1.01 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
Not enough documented interactions to build a meaningful graph for this territory.
Hydroclimate (BasinATLAS lev08)
Mean T°
26,5°C
Annual rain
1 159mm
Moisture idx (CMI)
-0,44
Runoff
153mm/an
PET
2 072mm
AET
934mm
Mean slope
0,3°
Water table
45cm
Forest
70%
Crops
9%
Urban
0%
Protected
6%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)