HydroBASINS lev08 watershed · #5080189510
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 : Angoram
Sub-basin area
251,7km²
Upstream area
54 066,8km²
Discharge
2 809,09m³/s
Mean elev.
14m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Sepik River494 km²
- Bassin de Karawari River98 km²
1 dept-equivalent regions (GADM L2)
- 250.6 km²100.0% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
2 distinct species · 5 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°
27,1°C
Annual rain
2 608mm
Moisture idx (CMI)
0,32
Runoff
1 299mm/an
PET
1 771mm
AET
1 719mm
Mean slope
0,3°
Water table
9cm
Forest
30%
Crops
7%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)