HydroBASINS lev08 watershed · #2080965150
Bassin · #2080965150
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
2 127,7km²
Upstream area
2 127,7km²
Discharge
0,12m³/s
Mean elev.
627m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
2 dept-equivalent regions (GADM L2)
- 2038.8 km²96.1% of basin
- YadamahNajran · Saudi Arabia82.7 km²3.9% of basin
2 intersecting protected areas
'Uruq Bani Ma'arid
IUCN Not ApplicableWorld Heritage Site (natural or mixed)
641.81 km² overlap
'Uruq Bani Ma'arid
IUCN VIProtected Area
635.11 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
4 distinct species · 7 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°
26,2°C
Annual rain
51mm
Moisture idx (CMI)
-0,97
Runoff
3mm/an
PET
1 963mm
AET
39mm
Mean slope
1,7°
Water table
312cm
Forest
0%
Crops
0%
Urban
0%
Protected
100%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)