HydroBASINS lev08 watershed · #4081016850
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 2 administrative regions : Mường La, Quỳnh Nhai
Sub-basin area
120,5km²
Upstream area
38 286,2km²
Discharge
1 036,21m³/s
Mean elev.
429m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Sông Đà832 km²
- Bassin de Sông Đà720 km²
2 dept-equivalent regions (GADM L2)
- Quỳnh NhaiSơn La · Vietnam118.6 km²98.7% of basin
- 1.6 km²1.3% of basin
1 intersecting protected areas
Nam Don
IUCN IVNature Reserve
1.76 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
0 distinct species · 0 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°
22,5°C
Annual rain
1 654mm
Moisture idx (CMI)
0,12
Runoff
752mm/an
PET
1 449mm
AET
1 067mm
Mean slope
19,5°
Water table
554cm
Forest
0%
Crops
2%
Urban
0%
Protected
1%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)