HydroBASINS lev08 watershed · #2080986460
Bassin de Wadi Ayun
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 : Thumrait
Sub-basin area
880,9km²
Upstream area
880,9km²
Discharge
0m³/s
Mean elev.
468m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
1 intersecting protected areas
Najd Nature Reserve
IUCN VINature Reserve
878.02 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
9 distinct species · 13 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°
25,4°C
Annual rain
40mm
Moisture idx (CMI)
-0,98
Runoff
21mm/an
PET
1 847mm
AET
30mm
Mean slope
0,5°
Water table
225cm
Forest
0%
Crops
0%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)