HydroBASINS lev08 watershed · #1081160360
Bassin de Rwizi
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 11 administrative regions : Buhweju, Bukanga, Ibanda, Igara, Isingiro +6
Sub-basin area
3 186,6km²
Upstream area
3 186,8km²
Discharge
19,09m³/s
Mean elev.
1 490m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
11 dept-equivalent regions (GADM L2)
- 589.8 km²18.6% of basin
- 559.9 km²17.6% of basin
- 556.6 km²17.5% of basin
- 556.0 km²17.5% of basin
- 247.4 km²7.8% of basin
- 247.2 km²7.8% of basin
- 186.4 km²5.9% of basin
- NyabushoziMbarara · Uganda99.4 km²3.1% of basin
7 intersecting protected areas
Lake Mburo
IUCN IINational Park
88.16 km² overlap
Kyahi
IUCN Not ReportedForest Reserve
42.74 km² overlap
Mbarara
IUCN Not ReportedForest Reserve
1.92 km² overlap
Bwizibwera
IUCN Not ReportedForest Reserve
0.28 km² overlap
Kooga
IUCN Not ReportedForest Reserve
0.11 km² overlap
Kabwohe
IUCN Not ReportedForest Reserve
0.03 km² overlap
Bugamba
IUCN Not ReportedForest Reserve
0.00 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
2 081 distinct species · 49 597 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Graphe en cours d’indexation
Calcul du tissu écologique de cette entité.
Le graphe apparaîtra automatiquement dès que le calcul est terminé (rafraîchissement toutes les 2s).
Hydroclimate (BasinATLAS lev08)
Mean T°
19,8°C
Annual rain
1 032mm
Moisture idx (CMI)
-0,36
Runoff
187mm/an
PET
1 622mm
AET
873mm
Mean slope
6,7°
Water table
381cm
Forest
1%
Crops
60%
Urban
7%
Protected
4%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)