HydroBASINS lev08 watershed · #4081010390
Bassin de Sông Hồng
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 : Lục Yên, Văn Yên, Yên Bình
Sub-basin area
279,4km²
Upstream area
42 917,1km²
Discharge
638,11m³/s
Mean elev.
326m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Suối Tiên694 km²
- Bassin de Sông Hồng683 km²
3 dept-equivalent regions (GADM L2)
- 277.2 km²99.5% of basin
- 1.4 km²0.5% of basin
- 0.1 km²0.0% of basin
1 intersecting protected areas
Na Hau
IUCN Not ReportedNature Reserve
47.05 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
7 distinct species · 10 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°
22,2°C
Annual rain
1 736mm
Moisture idx (CMI)
0,23
Runoff
978mm/an
PET
1 343mm
AET
1 095mm
Mean slope
13,9°
Water table
470cm
Forest
0%
Crops
34%
Urban
7%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)