HydroBASINS lev08 watershed · #2080974000
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 3 administrative regions : Bisha, Khamis Mushayt, Tarib
Sub-basin area
801,2km²
Upstream area
801,5km²
Discharge
1,63m³/s
Mean elev.
1 665m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
3 dept-equivalent regions (GADM L2)
- 611.8 km²76.6% of basin
- 140.5 km²17.6% of basin
- 46.4 km²5.8% of basin
2 intersecting protected areas
Imam Faisal bin Turki Royal Reserve
IUCN Not ReportedRoyal Reserve
546.05 km² overlap
National Park
4.85 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
1 distinct species · 1 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°
21,4°C
Annual rain
190mm
Moisture idx (CMI)
-0,89
Runoff
64mm/an
PET
1 754mm
AET
159mm
Mean slope
2,6°
Water table
516cm
Forest
0%
Crops
0%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)