HydroBASINS lev08 watershed · #1080170700
Bassin · #1080170700
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 across 2 countries : Errachidia, Ouarzazate, Tabelbala
Sub-basin area
711km²
Upstream area
1 702,4km²
Discharge
1,96m³/s
Mean elev.
653m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin · #1080161260723 km²
- Bassin · #1080161270269 km²
3 dept-equivalent regions (GADM L2)
- Ouarzazate407.3 km²57.4% of basin
- 291.5 km²41.0% of basin
- Errachidia11.4 km²1.6% of basin
3 intersecting protected areas
Réserve de Biosphère des Oasis du Sud Marocain (RBOSM)
IUCN Not ApplicableUNESCO-MAB Biosphere Reserve
434.92 km² overlap
Tamagroute
IUCN Not ApplicablePermanent Hunting Reserve
432.90 km² overlap
Oued Mird
IUCN Not ApplicableBiological and Ecological Interest Site
149.73 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
2 distinct species · 18 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°
23,4°C
Annual rain
38mm
Moisture idx (CMI)
-0,98
Runoff
38mm/an
PET
1 942mm
AET
28mm
Mean slope
2,0°
Water table
390cm
Forest
0%
Crops
0%
Urban
0%
Protected
29%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)