HydroBASINS lev08 watershed · #4081012250
Bassin de Sông Cầu
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 4 administrative regions : Chợ Mới, Phú Lương, Võ Nhai, Đồng Hỷ
Sub-basin area
90,5km²
Upstream area
1 755,7km²
Discharge
40,33m³/s
Mean elev.
256m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Sông Cầu1226 km²
- Bassin de Sông Chợ Chu440 km²
4 dept-equivalent regions (GADM L2)
- 52.6 km²58.3% of basin
- 30.0 km²33.3% of basin
- 5.3 km²5.9% of basin
- 2.3 km²2.6% of basin
1 intersecting protected areas
Than Sa-Phuong Hoang
IUCN Not ReportedNature Reserve
0.96 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
24 distinct species · 28 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°
22,2°C
Annual rain
1 781mm
Moisture idx (CMI)
0,26
Runoff
807mm/an
PET
1 315mm
AET
1 082mm
Mean slope
15,8°
Water table
593cm
Forest
0%
Crops
79%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)