HydroBASINS lev08 watershed · #5080194990
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 1 administrative regions : Telefomin
Sub-basin area
462,7km²
Upstream area
1 516,7km²
Discharge
168,65m³/s
Mean elev.
1 548m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Sepik River389 km²
- Bassin de Sepik River254 km²
1 dept-equivalent regions (GADM L2)
- 460.7 km²100.0% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
40 distinct species · 57 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°
19,4°C
Annual rain
4 724mm
Moisture idx (CMI)
0,70
Runoff
3 542mm/an
PET
1 418mm
AET
1 418mm
Mean slope
21,9°
Water table
557cm
Forest
87%
Crops
6%
Urban
1%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)