HydroBASINS lev08 watershed · #5080157750
Bassin de Sungai Kahayan
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 : Gunung Mas
Sub-basin area
109,7km²
Upstream area
3 320,3km²
Discharge
208,12m³/s
Mean elev.
102m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Sungai Miri1177 km²
- Bassin de Sungai Kahayan52 km²
1 dept-equivalent regions (GADM L2)
- 109.2 km²100.0% 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°
26,2°C
Annual rain
3 409mm
Moisture idx (CMI)
0,54
Runoff
1 828mm/an
PET
1 553mm
AET
1 553mm
Mean slope
3,1°
Water table
70cm
Forest
38%
Crops
44%
Urban
2%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)