HydroBASINS lev08 watershed · #5080133930
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 : Malinau
Sub-basin area
951,3km²
Upstream area
8 621,1km²
Discharge
482,81m³/s
Mean elev.
793m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Sungai Laham644 km²
- Bassin de Sungai Kayan293 km²
1 dept-equivalent regions (GADM L2)
- 947.1 km²100.0% of basin
1 intersecting protected areas
Kayan Mentarang
IUCN IINational Park
15.39 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
8 distinct species · 14 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°
22,7°C
Annual rain
3 564mm
Moisture idx (CMI)
0,62
Runoff
1 925mm/an
PET
1 356mm
AET
1 356mm
Mean slope
17,3°
Water table
402cm
Forest
99%
Crops
10%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)