HydroBASINS lev08 watershed · #1080954150
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
43,3km²
Upstream area
3 105,8km²
Discharge
15,93m³/s
Mean elev.
541m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin · #1080954340190 km²
- Bassin · #108095448064 km²
2 dept-equivalent regions (GADM L2)
- Tombura34.0 km²78.7% of basin
- 9.2 km²21.3% of basin
1 intersecting protected areas
Numatina
IUCN VIGame Reserve
8.14 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°
26,3°C
Annual rain
1 304mm
Moisture idx (CMI)
-0,33
Runoff
111mm/an
PET
1 951mm
AET
1 070mm
Mean slope
1,2°
Water table
186cm
Forest
100%
Crops
16%
Urban
0%
Protected
19%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)