HydroBASINS lev08 watershed · #5080141280
Bassin de Sungai Tanjan
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 : Kapuas Hulu, Kutai Barat
Sub-basin area
327,8km²
Upstream area
327,8km²
Discharge
28,7m³/s
Mean elev.
1 007m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
2 dept-equivalent regions (GADM L2)
- 320.4 km²98.2% of basin
- 5.9 km²1.8% of basin
1 intersecting protected areas
Betung Kerihun
IUCN IINational Park
324.59 km² overlap
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°
21,4°C
Annual rain
3 536mm
Moisture idx (CMI)
0,61
Runoff
2 701mm/an
PET
1 382mm
AET
1 382mm
Mean slope
17,3°
Water table
397cm
Forest
100%
Crops
10%
Urban
0%
Protected
100%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)