HydroBASINS lev08 watershed · #5080141890
Bassin de Sungai Mahakam
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 : Kutai Barat, Murung Raya
Sub-basin area
644,2km²
Upstream area
7 275,2km²
Discharge
556,96m³/s
Mean elev.
348m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Sungai Melaseh848 km²
- Bassin de Sungai Mahakam670 km²
2 dept-equivalent regions (GADM L2)
- 629.7 km²98.2% of basin
- 11.6 km²1.8% of basin
1 intersecting protected areas
Bukit Sapat Hawung
IUCN IaNature Reserve
11.57 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
10 distinct species · 11 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°
24,9°C
Annual rain
3 972mm
Moisture idx (CMI)
0,63
Runoff
2 018mm/an
PET
1 467mm
AET
1 467mm
Mean slope
9,5°
Water table
276cm
Forest
91%
Crops
12%
Urban
0%
Protected
1%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)