HydroBASINS lev08 watershed · #1081317330
Bassin de Ruaha
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 : Kilombero, Ulanga
Sub-basin area
460,6km²
Upstream area
6 755,9km²
Discharge
61,07m³/s
Mean elev.
333m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Ruaha536 km²
- Bassin de Ruaha203 km²
2 dept-equivalent regions (GADM L2)
- 321.4 km²70.1% of basin
- 137.3 km²29.9% of basin
2 intersecting protected areas
Kilombero Valley Floodplain
IUCN Not ReportedWetland of International Importance (Ramsar Site)
444.88 km² overlap
Kilombero GCA
IUCN Not ReportedGame controlled area
59.24 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
8 distinct species · 8 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°
25,6°C
Annual rain
1 340mm
Moisture idx (CMI)
-0,16
Runoff
399mm/an
PET
1 597mm
AET
932mm
Mean slope
2,0°
Water table
87cm
Forest
40%
Crops
2%
Urban
1%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)