HydroBASINS lev08 watershed · #1081632740
Bassin de Riet 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 1 administrative regions : Xhariep
Sub-basin area
36,3km²
Upstream area
9 735,6km²
Discharge
6,07m³/s
Mean elev.
1 259m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Riet River420 km²
- Bassin de Riet River82 km²
1 dept-equivalent regions (GADM L2)
- 36.2 km²100.0% of basin
1 intersecting protected areas
Kalkfontein Dam Nature Reserve
IUCN Not ReportedNature Reserve
9.77 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
3 distinct species · 3 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°
17,3°C
Annual rain
418mm
Moisture idx (CMI)
-0,73
Runoff
21mm/an
PET
1 572mm
AET
353mm
Mean slope
2,0°
Water table
295cm
Forest
0%
Crops
3%
Urban
0%
Protected
27%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)