HydroBASINS lev08 watershed · #1080317560
Bassin · #1080317560
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 : Bordj El Haouasse, Idles, Tazrouk
Sub-basin area
1 535,1km²
Upstream area
1 535,3km²
Discharge
0,5m³/s
Mean elev.
1 240m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
3 dept-equivalent regions (GADM L2)
- 873.5 km²57.0% of basin
- 416.1 km²27.2% of basin
- Bordj El HaouasseIllizi · Algeria242.1 km²15.8% of basin
2 intersecting protected areas
Ahaggar
IUCN Not ApplicableCultural Park
1311.89 km² overlap
Tassili N'Ajjer
IUCN Not ApplicableCultural Park
219.78 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
14 distinct species · 17 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°
22,2°C
Annual rain
28mm
Moisture idx (CMI)
-0,98
Runoff
15mm/an
PET
1 772mm
AET
21mm
Mean slope
3,2°
Water table
927cm
Forest
0%
Crops
0%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)