HydroBASINS lev08 watershed · #1080333450
Bassin · #1080333450
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 across 2 countries : Bilma, Djanet
Sub-basin area
687km²
Upstream area
2 892,4km²
Discharge
0m³/s
Mean elev.
814m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin · #1080342290828 km²
- Bassin · #1080342210224 km²
2 dept-equivalent regions (GADM L2)
- 511.8 km²74.7% of basin
- 173.6 km²25.3% of basin
3 intersecting protected areas
Tassili N'Ajjer
IUCN Not ApplicableCultural Park
545.61 km² overlap
Tassili n'Ajjer
IUCN Not ApplicableWorld Heritage Site (natural or mixed)
508.79 km² overlap
Tassili N'Ajjer
IUCN Not ApplicableUNESCO-MAB Biosphere Reserve
508.78 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°
23,8°C
Annual rain
9mm
Moisture idx (CMI)
-1,00
Runoff
1mm/an
PET
1 856mm
AET
5mm
Mean slope
2,1°
Water table
493cm
Forest
0%
Crops
0%
Urban
0%
Protected
74%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)