HydroBASINS lev08 watershed · #5080197550
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 1 administrative regions : Usino-Bundi
Sub-basin area
247,5km²
Upstream area
7 237,2km²
Discharge
330,68m³/s
Mean elev.
120m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Ramu River1763 km²
- Bassin de Ongan River1020 km²
1 dept-equivalent regions (GADM L2)
- Usino-BundiMadang · Papua New Guinea246.5 km²100.0% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
5 distinct species · 17 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°
26,3°C
Annual rain
4 263mm
Moisture idx (CMI)
0,61
Runoff
2 062mm/an
PET
1 647mm
AET
1 647mm
Mean slope
3,0°
Water table
94cm
Forest
100%
Crops
2%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)