HydroBASINS lev08 watershed · #4081052730
Bassin de Sông Hiếu
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 : Như Xuân, Quỳ Châu, Quỳ Hợp
Sub-basin area
460,7km²
Upstream area
2 308,3km²
Discharge
57,74m³/s
Mean elev.
282m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Sông Hiếu372 km²
- Bassin de Sông Hiếu38 km²
3 dept-equivalent regions (GADM L2)
- 456.0 km²99.3% of basin
- 2.1 km²0.5% of basin
- 1.3 km²0.3% of basin
1 intersecting protected areas
Western Nghe An
IUCN Not ApplicableUNESCO-MAB Biosphere Reserve
457.46 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
58 distinct species · 150 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°
23,1°C
Annual rain
1 466mm
Moisture idx (CMI)
0,07
Runoff
858mm/an
PET
1 369mm
AET
1 051mm
Mean slope
12,7°
Water table
441cm
Forest
21%
Crops
2%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)