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
Graphe en cours d’indexation
Calcul du tissu écologique de cette entité.
Le graphe apparaîtra automatiquement dès que le calcul est terminé (rafraîchissement toutes les 2s).
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)