HydroBASINS lev08 watershed · #1081304450
Bassin de Riz
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 : Kapanga
Sub-basin area
391,2km²
Upstream area
1 636,4km²
Discharge
9,89m³/s
Mean elev.
981m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Lwiza972 km²
- Bassin de Kumeji274 km²
1 dept-equivalent regions (GADM L2)
- 389.6 km²100.0% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
293 distinct species · 649 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°
23,0°C
Annual rain
1 478mm
Moisture idx (CMI)
-0,18
Runoff
195mm/an
PET
1 794mm
AET
1 203mm
Mean slope
2,0°
Water table
270cm
Forest
95%
Crops
6%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)