HydroBASINS lev08 watershed · #2080969710
Bassin de وادي هرجاب
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 1 administrative regions : Bisha
Sub-basin area
489,4km²
Upstream area
2 471,6km²
Discharge
4,58m³/s
Mean elev.
1 384m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de وادي هرجاب316 km²
- Bassin de وادي هرجاب139 km²
1 dept-equivalent regions (GADM L2)
- 487.9 km²100.0% of basin
2 intersecting protected areas
Imam Faisal bin Turki Royal Reserve
IUCN Not ReportedRoyal Reserve
177.35 km² overlap
Bisha National Park
IUCN IINational Park
12.28 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°
23,3°C
Annual rain
156mm
Moisture idx (CMI)
-0,92
Runoff
51mm/an
PET
1 855mm
AET
129mm
Mean slope
3,5°
Water table
523cm
Forest
0%
Crops
0%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)