HydroBASINS lev08 watershed · #5080130240
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 1 administrative regions : Bulungan
Sub-basin area
63,2km²
Upstream area
27 335,5km²
Discharge
1 453,48m³/s
Mean elev.
107m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Sungai Kayan284 km²
- Bassin de Sungai Kayan221 km²
1 dept-equivalent regions (GADM L2)
- 61.1 km²97.3% 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°
26,4°C
Annual rain
3 071mm
Moisture idx (CMI)
0,52
Runoff
1 341mm/an
PET
1 470mm
AET
1 470mm
Mean slope
7,2°
Water table
201cm
Forest
85%
Crops
10%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)