HydroBASINS lev08 watershed · #4081054830
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 4 administrative regions : Nghĩa Đàn, Như Xuân, Quỳ Châu, Quỳ Hợp
Sub-basin area
198,2km²
Upstream area
2 903km²
Discharge
74,58m³/s
Mean elev.
151m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Sông Hiếu461 km²
- Bassin de Sông Hiếu397 km²
4 dept-equivalent regions (GADM L2)
- 82.0 km²41.5% of basin
- 72.3 km²36.6% of basin
- 23.2 km²11.8% of basin
- 20.0 km²10.1% of basin
1 intersecting protected areas
Western Nghe An
IUCN Not ApplicableUNESCO-MAB Biosphere Reserve
103.05 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
16 distinct species · 32 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°
23,7°C
Annual rain
1 482mm
Moisture idx (CMI)
0,07
Runoff
889mm/an
PET
1 374mm
AET
1 063mm
Mean slope
8,3°
Water table
326cm
Forest
17%
Crops
5%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)