HydroBASINS lev08 watershed · #1081293700
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 2 administrative regions : Kapanga, Luiza
Sub-basin area
448,7km²
Upstream area
3 581,9km²
Discharge
25,44m³/s
Mean elev.
892m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Riz277 km²
- Bassin de Riz262 km²
2 dept-equivalent regions (GADM L2)
- 403.5 km²90.3% of basin
- 43.3 km²9.7% of basin
1 intersecting protected areas
Bushimaie
IUCN VIHunting Area
29.07 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
1 distinct species · 1 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°
23,2°C
Annual rain
1 545mm
Moisture idx (CMI)
-0,13
Runoff
301mm/an
PET
1 767mm
AET
1 248mm
Mean slope
2,6°
Water table
231cm
Forest
95%
Crops
7%
Urban
1%
Protected
7%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)