HydroBASINS lev08 watershed · #1080943760
Bassin de Nahr Waw
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 : Tombura, Wau
Sub-basin area
1 063,5km²
Upstream area
6 888km²
Discharge
32,36m³/s
Mean elev.
543m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Nahr Waw2719 km²
- Bassin de Nahr Waw43 km²
2 dept-equivalent regions (GADM L2)
- 792.1 km²74.8% of basin
- Tombura266.8 km²25.2% of basin
1 intersecting protected areas
Numatina
IUCN VIGame Reserve
784.07 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
6 distinct species · 15 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°
26,4°C
Annual rain
1 284mm
Moisture idx (CMI)
-0,34
Runoff
87mm/an
PET
1 958mm
AET
1 059mm
Mean slope
1,1°
Water table
158cm
Forest
100%
Crops
28%
Urban
0%
Protected
74%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)