HydroBASINS lev08 watershed · #5080196340
Bassin de Ramu River
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 : Middle Ramu, Usino-Bundi
Sub-basin area
284,9km²
Upstream area
8 541,2km²
Discharge
423,28m³/s
Mean elev.
213m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Macin River679 km²
- Bassin de Ramu River131 km²
2 dept-equivalent regions (GADM L2)
- Usino-BundiMadang · Papua New Guinea194.7 km²68.6% of basin
- Middle RamuMadang · Papua New Guinea89.0 km²31.4% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
26 distinct species · 71 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°
26,0°C
Annual rain
4 423mm
Moisture idx (CMI)
0,62
Runoff
2 106mm/an
PET
1 675mm
AET
1 675mm
Mean slope
6,0°
Water table
161cm
Forest
87%
Crops
2%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)