HydroBASINS lev08 watershed · #4081051190
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 across 2 countries : Quế Phong, Quỳ Châu, Tương Dương, Xamtay
Sub-basin area
847,8km²
Upstream area
847,8km²
Discharge
19,86m³/s
Mean elev.
779m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
4 dept-equivalent regions (GADM L2)
- 831.2 km²98.3% of basin
- 9.6 km²1.1% of basin
- 4.0 km²0.5% of basin
- 0.4 km²0.1% of basin
3 intersecting protected areas
Western Nghe An
IUCN Not ApplicableUNESCO-MAB Biosphere Reserve
843.89 km² overlap
Pu Hoat
IUCN Not ReportedNature Reserve
131.36 km² overlap
Pu Huong
IUCN IVNature Reserve
41.41 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
102 distinct species · 149 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°
20,8°C
Annual rain
1 390mm
Moisture idx (CMI)
0,04
Runoff
735mm/an
PET
1 326mm
AET
952mm
Mean slope
15,1°
Water table
553cm
Forest
19%
Crops
7%
Urban
1%
Protected
8%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)