HydroBASINS lev08 watershed · #5080189160
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 2 administrative regions : Ambunti-Dreikikir, Telefomin
Sub-basin area
129,4km²
Upstream area
20 050,3km²
Discharge
1 434,74m³/s
Mean elev.
39m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Sepik River480 km²
- Bassin de Sepik River404 km²
2 dept-equivalent regions (GADM L2)
- 102.3 km²79.4% of basin
- 26.5 km²20.6% 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°
26,8°C
Annual rain
3 027mm
Moisture idx (CMI)
0,49
Runoff
1 416mm/an
PET
1 557mm
AET
1 557mm
Mean slope
0,8°
Water table
14cm
Forest
55%
Crops
7%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)