HydroBASINS lev08 watershed · #5080126730
Bassin · #5080126730
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 : Malinau, Nunukan
Sub-basin area
464,5km²
Upstream area
3 493,2km²
Discharge
133,71m³/s
Mean elev.
830m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin · #50801261201575 km²
- Bassin · #50801260801453 km²
2 dept-equivalent regions (GADM L2)
- 460.4 km²99.6% of basin
- Nunukan2.0 km²0.4% of basin
1 intersecting protected areas
Kayan Mentarang
IUCN IINational Park
118.25 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
60 distinct species · 112 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°
22,8°C
Annual rain
3 042mm
Moisture idx (CMI)
0,56
Runoff
1 273mm/an
PET
1 337mm
AET
1 337mm
Mean slope
17,1°
Water table
424cm
Forest
99%
Crops
9%
Urban
0%
Protected
13%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)