HydroBASINS lev08 watershed · #2080969700
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
275,9km²
Upstream area
276km²
Discharge
0,43m³/s
Mean elev.
1 429m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
1 dept-equivalent regions (GADM L2)
- 275.0 km²100.0% of basin
2 intersecting protected areas
Imam Faisal bin Turki Royal Reserve
IUCN Not ReportedRoyal Reserve
240.32 km² overlap
Bisha National Park
IUCN IINational Park
32.19 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
2 distinct species · 291 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°
23,1°C
Annual rain
167mm
Moisture idx (CMI)
-0,91
Runoff
50mm/an
PET
1 838mm
AET
139mm
Mean slope
5,7°
Water table
715cm
Forest
0%
Crops
0%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)