HydroBASINS lev08 watershed · #2080973690
Bassin · #2080973690
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 2 administrative regions : As Sulayyil, Yadamah
Sub-basin area
896,6km²
Upstream area
896,9km²
Discharge
0m³/s
Mean elev.
803m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
2 dept-equivalent regions (GADM L2)
- YadamahNajran · Saudi Arabia836.4 km²93.6% of basin
- 57.5 km²6.4% of basin
2 intersecting protected areas
'Uruq Bani Ma'arid
IUCN VIProtected Area
717.06 km² overlap
'Uruq Bani Ma'arid
IUCN Not ApplicableWorld Heritage Site (natural or mixed)
709.58 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
Graphe en cours d’indexation
Calcul du tissu écologique de cette entité.
Le graphe apparaîtra automatiquement dès que le calcul est terminé (rafraîchissement toutes les 2s).
Hydroclimate (BasinATLAS lev08)
Mean T°
25,5°C
Annual rain
61mm
Moisture idx (CMI)
-0,97
Runoff
3mm/an
PET
1 962mm
AET
48mm
Mean slope
2,7°
Water table
462cm
Forest
0%
Crops
0%
Urban
0%
Protected
100%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)