HydroBASINS lev08 watershed · #5080187240
Bassin de Sepik 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 3 administrative regions : Ambunti-Dreikikir, Telefomin, Vanimo-Green River
Sub-basin area
163,9km²
Upstream area
17 268km²
Discharge
1 335,61m³/s
Mean elev.
63m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Sepik390 km²
- Bassin de Sepik River267 km²
3 dept-equivalent regions (GADM L2)
- 154.2 km²94.5% of basin
- 7.1 km²4.4% of basin
- 1.9 km²1.2% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
9 distinct species · 14 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°
26,5°C
Annual rain
2 970mm
Moisture idx (CMI)
0,50
Runoff
1 443mm/an
PET
1 496mm
AET
1 496mm
Mean slope
2,6°
Water table
78cm
Forest
65%
Crops
7%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)