HydroBASINS lev08 watershed · #2080875760
Bassin de وادي السلسلة
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 3 administrative regions : Al Ula, Tabuk, Tayma
Sub-basin area
2 016,8km²
Upstream area
2 016,8km²
Discharge
0,74m³/s
Mean elev.
1 114m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
3 dept-equivalent regions (GADM L2)
- Al UlaAl Madinah · Saudi Arabia840.5 km²41.7% of basin
- TabukTabuk · Saudi Arabia709.7 km²35.2% of basin
- TaymaTabuk · Saudi Arabia463.3 km²23.0% of basin
2 intersecting protected areas
Protected Area
678.74 km² overlap
Gharameel Nature Reserve
IUCN IbProtected Area
60.82 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
6 distinct species · 11 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°
19,8°C
Annual rain
70mm
Moisture idx (CMI)
-0,96
Runoff
13mm/an
PET
1 597mm
AET
58mm
Mean slope
1,9°
Water table
469cm
Forest
0%
Crops
0%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)