HydroBASINS lev08 watershed · #2080970460
Bassin · #2080970460
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 4 administrative regions : Al Ahsa, As Sulayyil, Sharurah, Yadamah
Sub-basin area
1 828,6km²
Upstream area
1 828,8km²
Discharge
0,28m³/s
Mean elev.
683m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
4 dept-equivalent regions (GADM L2)
- SharurahNajran · Saudi Arabia821.2 km²45.0% of basin
- YadamahNajran · Saudi Arabia741.3 km²40.7% of basin
- 188.0 km²10.3% of basin
- 72.5 km²4.0% of basin
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°
25,7°C
Annual rain
53mm
Moisture idx (CMI)
-0,97
Runoff
5mm/an
PET
1 937mm
AET
40mm
Mean slope
2,1°
Water table
200cm
Forest
0%
Crops
0%
Urban
0%
Protected
100%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)