HydroBASINS lev08 watershed · #5080126080
Bassin · #5080126080
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 5 administrative regions across 2 countries : Lawas, Malinau, Marudi, Nunukan, Sipitang
Sub-basin area
1 453,1km²
Upstream area
1 453,1km²
Discharge
62,72m³/s
Mean elev.
1 253m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
5 dept-equivalent regions (GADM L2)
- Nunukan1389.3 km²96.0% of basin
- 22.3 km²1.5% of basin
- 17.2 km²1.2% of basin
- 14.6 km²1.0% of basin
- 3.2 km²0.2% of basin
1 intersecting protected areas
Kayan Mentarang
IUCN IINational Park
994.88 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
609 distinct species · 1 389 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°
20,6°C
Annual rain
2 809mm
Moisture idx (CMI)
0,55
Runoff
1 395mm/an
PET
1 265mm
AET
1 265mm
Mean slope
14,3°
Water table
391cm
Forest
90%
Crops
10%
Urban
0%
Protected
92%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)