HydroBASINS lev08 watershed · #1080293520
Bassin · #1080293520
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, Idles
Sub-basin area
274,1km²
Upstream area
274,2km²
Discharge
0,02m³/s
Mean elev.
1 108m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
2 dept-equivalent regions (GADM L2)
- Bordj El HaouasseIllizi · Algeria141.9 km²51.9% of basin
- 131.7 km²48.1% of basin
3 intersecting protected areas
Tassili N'Ajjer
IUCN Not ApplicableCultural Park
149.81 km² overlap
Tassili N'Ajjer
IUCN Not ApplicableUNESCO-MAB Biosphere Reserve
132.10 km² overlap
Ahaggar
IUCN Not ApplicableCultural Park
123.73 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
0 distinct species · 0 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°
22,6°C
Annual rain
28mm
Moisture idx (CMI)
-0,98
Runoff
2mm/an
PET
1 819mm
AET
20mm
Mean slope
1,4°
Water table
659cm
Forest
0%
Crops
0%
Urban
0%
Protected
48%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)