HydroBASINS lev08 watershed · #2080981110
Bassin · #2080981110
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 : Yadamah
Sub-basin area
413,8km²
Upstream area
413,9km²
Discharge
0,06m³/s
Mean elev.
915m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
1 dept-equivalent regions (GADM L2)
- YadamahNajran · Saudi Arabia412.5 km²100.0% of basin
2 intersecting protected areas
'Uruq Bani Ma'arid
IUCN VIProtected Area
45.67 km² overlap
'Uruq Bani Ma'arid
IUCN Not ApplicableWorld Heritage Site (natural or mixed)
42.92 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°
25,3°C
Annual rain
79mm
Moisture idx (CMI)
-0,96
Runoff
5mm/an
PET
1 975mm
AET
62mm
Mean slope
0,8°
Water table
240cm
Forest
0%
Crops
0%
Urban
0%
Protected
13%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)