HydroBASINS lev08 watershed · #4081016890
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, Than Uyên
Sub-basin area
295,5km²
Upstream area
295,5km²
Discharge
7,46m³/s
Mean elev.
666m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
3 dept-equivalent regions (GADM L2)
- Quỳnh NhaiSơn La · Vietnam194.8 km²66.1% of basin
- 95.7 km²32.5% of basin
- Than UyênLai Châu · Vietnam4.1 km²1.4% of basin
1 intersecting protected areas
Nam Don
IUCN IVNature Reserve
90.48 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
1 distinct species · 32 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°
21,1°C
Annual rain
1 690mm
Moisture idx (CMI)
0,19
Runoff
796mm/an
PET
1 373mm
AET
1 043mm
Mean slope
17,1°
Water table
578cm
Forest
0%
Crops
1%
Urban
0%
Protected
31%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)