HydroBASINS lev08 watershed · #5080188490
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 : Aitape-Lumi, Ambunti-Dreikikir, Telefomin
Sub-basin area
479,5km²
Upstream area
479,5km²
Discharge
18,84m³/s
Mean elev.
94m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
3 dept-equivalent regions (GADM L2)
- 411.5 km²86.2% of basin
- 44.8 km²9.4% of basin
- 21.0 km²4.4% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
1 distinct species · 1 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
2 782mm
Moisture idx (CMI)
0,45
Runoff
1 245mm/an
PET
1 516mm
AET
1 516mm
Mean slope
1,7°
Water table
38cm
Forest
34%
Crops
8%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)