HydroBASINS lev08 watershed · #1081306960
Bassin de Rufiji
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 3 administrative regions : Kilombero, Liwale, Ulanga
Sub-basin area
848,3km²
Upstream area
66 788,3km²
Discharge
800,71m³/s
Mean elev.
266m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Luwegu1580 km²
- Bassin de Ulanga River1259 km²
3 dept-equivalent regions (GADM L2)
- 423.5 km²50.1% of basin
- 378.8 km²44.8% of basin
- 42.5 km²5.0% of basin
3 intersecting protected areas
Selous G.R
IUCN IVGame Reserve
844.80 km² overlap
Selous Game Reserve
IUCN Not ApplicableWorld Heritage Site (natural or mixed)
844.80 km² overlap
Nyerere National Park
IUCN Not ReportedNational Park
336.84 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
14 distinct species · 23 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°
25,0°C
Annual rain
1 276mm
Moisture idx (CMI)
-0,11
Runoff
265mm/an
PET
1 430mm
AET
893mm
Mean slope
1,6°
Water table
158cm
Forest
4%
Crops
1%
Urban
0%
Protected
100%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)