HydroBASINS lev08 watershed · #1081119180
Bassin de Nouna
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 : Haut-Ntem, Ivindo, Woleu
Sub-basin area
1 924,2km²
Upstream area
1 924,2km²
Discharge
27,23m³/s
Mean elev.
553m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
3 dept-equivalent regions (GADM L2)
- 1497.1 km²78.2% of basin
- 397.9 km²20.8% of basin
- 20.6 km²1.1% of basin
1 intersecting protected areas
Parc national de Minkébé
IUCN IINational park
993.31 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
621 distinct species · 2 941 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°
23,7°C
Annual rain
1 620mm
Moisture idx (CMI)
0,00
Runoff
502mm/an
PET
1 624mm
AET
1 315mm
Mean slope
3,4°
Water table
101cm
Forest
100%
Crops
0%
Urban
0%
Protected
52%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)