HydroBASINS lev08 watershed · #5080152030
Bassin de Sungai Kayan
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 : Melawi, Sintang
Sub-basin area
308,2km²
Upstream area
3 126,9km²
Discharge
162,77m³/s
Mean elev.
43m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Sungai Inggar634 km²
- Bassin de Sungai Kayan151 km²
2 dept-equivalent regions (GADM L2)
- 167.6 km²54.6% of basin
- Sintang139.2 km²45.4% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
0 distinct species · 0 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°
26,7°C
Annual rain
3 194mm
Moisture idx (CMI)
0,49
Runoff
1 509mm/an
PET
1 624mm
AET
1 624mm
Mean slope
1,3°
Water table
46cm
Forest
3%
Crops
58%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)