HydroBASINS lev08 watershed · #1080274660
Bassin de Oued Tirhesoutine
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, Illizi
Sub-basin area
2 348,4km²
Upstream area
2 348,5km²
Discharge
0,23m³/s
Mean elev.
1 057m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
3 dept-equivalent regions (GADM L2)
- 1458.5 km²62.2% of basin
- 619.3 km²26.4% of basin
- Bordj El HaouasseIllizi · Algeria266.0 km²11.3% of basin
4 intersecting protected areas
Tassili N'Ajjer
IUCN Not ApplicableUNESCO-MAB Biosphere Reserve
1451.01 km² overlap
Tassili N'Ajjer
IUCN Not ApplicableCultural Park
1344.26 km² overlap
Ahaggar
IUCN Not ApplicableCultural Park
999.49 km² overlap
Tassili n'Ajjer
IUCN Not ApplicableWorld Heritage Site (natural or mixed)
184.32 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°
22,6°C
Annual rain
28mm
Moisture idx (CMI)
-0,98
Runoff
6mm/an
PET
1 832mm
AET
22mm
Mean slope
2,2°
Water table
693cm
Forest
0%
Crops
0%
Urban
0%
Protected
62%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)