HydroBASINS lev08 watershed · #1081641200
Bassin de Orange River
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 : Joe Gqabi, Xhariep
Sub-basin area
4,7km²
Upstream area
67 492,5km²
Discharge
165,24m³/s
Mean elev.
1 266m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Broekspruit1868 km²
- Bassin de Orange River826 km²
2 dept-equivalent regions (GADM L2)
- 2.9 km²61.5% of basin
- 1.8 km²38.5% of basin
2 intersecting protected areas
Oviston Nature Reserve
IUCN Not ReportedNature Reserve
2.84 km² overlap
Gariep Nature Reserve
IUCN Not ReportedNature Reserve
1.46 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
10 distinct species · 11 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°
16,3°C
Annual rain
432mm
Moisture idx (CMI)
-0,72
Runoff
19mm/an
PET
1 536mm
AET
366mm
Mean slope
1,9°
Water table
91cm
Forest
0%
Crops
8%
Urban
0%
Protected
92%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)