HydroBASINS lev08 watershed · #1081183090
Bassin de Olongo Lule
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 1 administrative regions : Inongo
Sub-basin area
55,6km²
Upstream area
3 515,3km²
Discharge
50,79m³/s
Mean elev.
293m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Olongo Lule488 km²
- Bassin de Olongo Lule366 km²
1 dept-equivalent regions (GADM L2)
- 55.4 km²100.0% of basin
1 intersecting protected areas
Ngiri
IUCN Not ReportedWetland of International Importance (Ramsar Site)
55.36 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
1 distinct species · 2 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°
25,8°C
Annual rain
1 756mm
Moisture idx (CMI)
0,11
Runoff
446mm/an
PET
1 561mm
AET
1 433mm
Mean slope
0,1°
Water table
6cm
Forest
17%
Crops
2%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)