HydroBASINS lev08 watershed · #2080889330
Bassin de وادي الهويدي
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 : Al Ghazalah, Hail, Mawqaq
Sub-basin area
808,3km²
Upstream area
808,3km²
Discharge
0,05m³/s
Mean elev.
1 154m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
3 dept-equivalent regions (GADM L2)
- 713.4 km²88.4% of basin
- 85.6 km²10.6% of basin
- 7.9 km²1.0% of basin
1 intersecting protected areas
Royal Reserve
24.54 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°
20,9°C
Annual rain
150mm
Moisture idx (CMI)
-0,91
Runoff
5mm/an
PET
1 749mm
AET
124mm
Mean slope
2,0°
Water table
431cm
Forest
0%
Crops
1%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)