HydroBASINS lev08 watershed · #1080116680
Bassin de Oued N'sa
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 4 administrative regions : Berriane, Bounoura, El Atteuf, El Guerrarra
Sub-basin area
182,6km²
Upstream area
4 638,9km²
Discharge
3,91m³/s
Mean elev.
393m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Oued N'sa299 km²
- Bassin de Oued N'sa108 km²
4 dept-equivalent regions (GADM L2)
- 109.5 km²60.0% of basin
- 38.5 km²21.1% of basin
- 22.9 km²12.5% of basin
- 11.6 km²6.4% of basin
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
Graphe en cours d’indexation
Calcul du tissu écologique de cette entité.
Le graphe apparaîtra automatiquement dès que le calcul est terminé (rafraîchissement toutes les 2s).
Hydroclimate (BasinATLAS lev08)
Mean T°
21,1°C
Annual rain
67mm
Moisture idx (CMI)
-0,96
Runoff
23mm/an
PET
1 679mm
AET
54mm
Mean slope
1,0°
Water table
296cm
Forest
0%
Crops
0%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)