HydroBASINS lev08 watershed · #1081232300
Bassin de Niari
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 : Mindouli, Mouyondzi
Sub-basin area
67,8km²
Upstream area
6 671,8km²
Discharge
117,89m³/s
Mean elev.
273m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Niari823 km²
- Bassin · #1081231200488 km²
2 dept-equivalent regions (GADM L2)
- 43.0 km²63.7% of basin
- 24.5 km²36.3% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
0 distinct species · 0 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°
25,1°C
Annual rain
1 310mm
Moisture idx (CMI)
-0,17
Runoff
404mm/an
PET
1 576mm
AET
1 107mm
Mean slope
4,3°
Water table
212cm
Forest
45%
Crops
0%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)