HydroBASINS lev08 watershed · #5080190040
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
258,9km²
Upstream area
258,9km²
Discharge
10,35m³/s
Mean elev.
49m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
2 dept-equivalent regions (GADM L2)
- 188.9 km²73.3% of basin
- 68.8 km²26.7% 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°
26,8°C
Annual rain
2 887mm
Moisture idx (CMI)
0,45
Runoff
1 264mm/an
PET
1 600mm
AET
1 600mm
Mean slope
0,4°
Water table
6cm
Forest
57%
Crops
5%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)