HydroBASINS lev08 watershed · #4081064600
Bassin de Sông Lam
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 : Thanh Chương, Đô Lương
Sub-basin area
53,6km²
Upstream area
22 523,9km²
Discharge
454,14m³/s
Mean elev.
19m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Sông Giăng1097 km²
- Bassin de Sông Lam108 km²
2 dept-equivalent regions (GADM L2)
- 44.3 km²82.8% of basin
- 9.2 km²17.2% of basin
1 intersecting protected areas
Western Nghe An
IUCN Not ApplicableUNESCO-MAB Biosphere Reserve
39.25 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°
24,7°C
Annual rain
1 500mm
Moisture idx (CMI)
0,07
Runoff
1 034mm/an
PET
1 392mm
AET
1 050mm
Mean slope
1,4°
Water table
50cm
Forest
0%
Crops
49%
Urban
26%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)