HydroBASINS lev08 watershed · #5080196840
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 : North Fly, Telefomin
Sub-basin area
235,1km²
Upstream area
235,1km²
Discharge
21,24m³/s
Mean elev.
2 473m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
2 dept-equivalent regions (GADM L2)
- 188.3 km²80.4% of basin
- 45.9 km²19.6% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
15 distinct species · 28 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°
14,6°C
Annual rain
4 909mm
Moisture idx (CMI)
0,74
Runoff
2 971mm/an
PET
1 284mm
AET
1 284mm
Mean slope
16,1°
Water table
366cm
Forest
78%
Crops
5%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)