HydroBASINS lev08 watershed · #4081015150
Bassin de Sông Đà
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 : Quỳnh Nhai, Sơn La, Thuận Châu, Tuần Giáo
Sub-basin area
719,5km²
Upstream area
719,5km²
Discharge
12,06m³/s
Mean elev.
714m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
4 dept-equivalent regions (GADM L2)
- Thuận ChâuSơn La · Vietnam554.1 km²77.2% of basin
- Quỳnh NhaiSơn La · Vietnam101.4 km²14.1% of basin
- 48.3 km²6.7% of basin
- Tuần GiáoĐiện Biên · Vietnam13.9 km²1.9% of basin
1 intersecting protected areas
Copia
IUCN Not ReportedNature Reserve
7.51 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
22 distinct species · 59 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°
21,0°C
Annual rain
1 627mm
Moisture idx (CMI)
0,14
Runoff
686mm/an
PET
1 390mm
AET
1 023mm
Mean slope
15,5°
Water table
541cm
Forest
0%
Crops
2%
Urban
3%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)