HydroBASINS lev08 watershed · #4081017710
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 3 administrative regions : Mường La, Quỳnh Nhai, Thuận Châu
Sub-basin area
120,3km²
Upstream area
38 701,9km²
Discharge
1 046,33m³/s
Mean elev.
430m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 3 basins
- Bassin de Sông Đà296 km²
- Bassin de Sông Đà121 km²
- Bassin · #4080076710112 km²
3 dept-equivalent regions (GADM L2)
- Thuận ChâuSơn La · Vietnam49.1 km²40.9% of basin
- Quỳnh NhaiSơn La · Vietnam39.3 km²32.7% of basin
- 31.6 km²26.3% of basin
1 intersecting protected areas
Nam Don
IUCN IVNature Reserve
6.96 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
2 distinct species · 4 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 596mm
Moisture idx (CMI)
0,09
Runoff
699mm/an
PET
1 448mm
AET
1 054mm
Mean slope
19,6°
Water table
807cm
Forest
0%
Crops
7%
Urban
0%
Protected
6%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)