HydroBASINS lev08 watershed · #1081166860
Bassin de Oso
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 : Lubutu, Walikale
Sub-basin area
480,2km²
Upstream area
15 808,7km²
Discharge
420,53m³/s
Mean elev.
640m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Oso399 km²
- Bassin de Oso117 km²
2 dept-equivalent regions (GADM L2)
- 349.9 km²73.2% of basin
- 128.2 km²26.8% of basin
1 intersecting protected areas
Maiko
IUCN IINational Park
147.38 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
8 distinct species · 12 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°
23,9°C
Annual rain
1 768mm
Moisture idx (CMI)
0,04
Runoff
1 027mm/an
PET
1 692mm
AET
1 493mm
Mean slope
3,2°
Water table
118cm
Forest
100%
Crops
0%
Urban
0%
Protected
31%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)