HydroBASINS lev08 watershed · #1080288650
Bassin de Oued Toudjaede
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, Djanet, Illizi
Sub-basin area
552,3km²
Upstream area
552,3km²
Discharge
0,08m³/s
Mean elev.
1 512m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
3 dept-equivalent regions (GADM L2)
- Bordj El HaouasseIllizi · Algeria208.6 km²37.8% of basin
- 171.9 km²31.2% of basin
- 170.7 km²31.0% of basin
3 intersecting protected areas
Tassili N'Ajjer
IUCN Not ApplicableCultural Park
551.19 km² overlap
Tassili N'Ajjer
IUCN Not ApplicableUNESCO-MAB Biosphere Reserve
551.19 km² overlap
Tassili n'Ajjer
IUCN Not ApplicableWorld Heritage Site (natural or mixed)
551.19 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
8 distinct species · 8 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°
20,7°C
Annual rain
37mm
Moisture idx (CMI)
-0,98
Runoff
5mm/an
PET
1 679mm
AET
29mm
Mean slope
3,4°
Water table
1 374cm
Forest
0%
Crops
0%
Urban
0%
Protected
100%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)