HydroBASINS lev08 watershed · #1080321640
Bassin · #1080321640
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
1 243,5km²
Upstream area
1 243,7km²
Discharge
0,7m³/s
Mean elev.
1 348m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
3 dept-equivalent regions (GADM L2)
- 1078.6 km²86.9% of basin
- Bordj El HaouasseIllizi · Algeria143.5 km²11.6% of basin
- 18.6 km²1.5% of basin
2 intersecting protected areas
Ahaggar
IUCN Not ApplicableCultural Park
1095.82 km² overlap
Tassili N'Ajjer
IUCN Not ApplicableCultural Park
144.92 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°
21,7°C
Annual rain
31mm
Moisture idx (CMI)
-0,98
Runoff
26mm/an
PET
1 747mm
AET
24mm
Mean slope
4,5°
Water table
1 049cm
Forest
0%
Crops
0%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)