HydroBASINS lev08 watershed · #5080003690
Bassin de Sungai Rokan
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 : Rokan Hilir
Sub-basin area
19,3km²
Upstream area
19 228,4km²
Discharge
586,55m³/s
Mean elev.
6m
Administrative coverage
Hydrographic chain
▼ Drains into
Outlet (drains to ocean / endorheic)
▲ Receives from 2 basins
- Bassin de Sungai Bangko1788 km²
- Bassin de Sungai Rokan1013 km²
1 dept-equivalent regions (GADM L2)
- 19.2 km²100.0% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
2 distinct species · 6 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°
27,0°C
Annual rain
2 706mm
Moisture idx (CMI)
0,38
Runoff
921mm/an
PET
1 683mm
AET
1 681mm
Mean slope
0,6°
Water table
12cm
Forest
16%
Crops
42%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)