HydroBASINS lev08 watershed · #1080344790
Bassin · #1080344790
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 : Bordj El Haouasse, Tazrouk
Sub-basin area
793,2km²
Upstream area
793,2km²
Discharge
0,51m³/s
Mean elev.
1 170m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
2 dept-equivalent regions (GADM L2)
- 788.2 km²99.6% of basin
- Bordj El HaouasseIllizi · Algeria3.1 km²0.4% of basin
2 intersecting protected areas
Ahaggar
IUCN Not ApplicableCultural Park
785.28 km² overlap
Tassili N'Ajjer
IUCN Not ApplicableCultural Park
6.02 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
1 distinct species · 1 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°
22,7°C
Annual rain
24mm
Moisture idx (CMI)
-0,99
Runoff
26mm/an
PET
1 786mm
AET
17mm
Mean slope
6,1°
Water table
1 049cm
Forest
0%
Crops
0%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)