HydroBASINS lev08 watershed · #5080138810
Bassin de Aek Barumun
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 3 administrative regions : Mandailing Natal, Padang Lawas, Padang Lawas Utara
Sub-basin area
1 284km²
Upstream area
1 284km²
Discharge
49,39m³/s
Mean elev.
482m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
3 dept-equivalent regions (GADM L2)
- 1275.2 km²99.8% of basin
- 2.1 km²0.2% of basin
- 0.9 km²0.1% of basin
1 intersecting protected areas
Barumun
IUCN IVWildlife Reserve
293.00 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
12 distinct species · 20 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°
24,2°C
Annual rain
2 760mm
Moisture idx (CMI)
0,39
Runoff
1 219mm/an
PET
1 672mm
AET
1 632mm
Mean slope
10,6°
Water table
324cm
Forest
52%
Crops
30%
Urban
2%
Protected
24%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)