HydroBASINS lev08 watershed · #1081186520
Bassin de Sangasi
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 across 2 countries : Gamboma, Lukolela, Yumbi
Sub-basin area
2 399km²
Upstream area
2 668 710,3km²
Discharge
28 396,48m³/s
Mean elev.
313m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Congo2323 km²
- Bassin de Alima1314 km²
3 dept-equivalent regions (GADM L2)
- 2135.2 km²89.4% of basin
- 253.1 km²10.6% of basin
- 0.0 km²0.0% of basin
3 intersecting protected areas
Ngiri
IUCN Not ReportedWetland of International Importance (Ramsar Site)
2135.09 km² overlap
Tumba-Lediima
IUCN Not ReportedNature reserve
933.98 km² overlap
Grands affluents
IUCN Not ReportedWetland of International Importance (Ramsar Site)
71.53 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
19 distinct species · 25 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°
25,7°C
Annual rain
1 583mm
Moisture idx (CMI)
-0,02
Runoff
300mm/an
PET
1 607mm
AET
1 339mm
Mean slope
1,0°
Water table
41cm
Forest
81%
Crops
1%
Urban
1%
Protected
39%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)