HydroBASINS lev08 watershed · #4080938980
Bassin de Son
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 : Garhwa, Kaimur, Rohtas, Sonbhadra
Sub-basin area
567,7km²
Upstream area
53 429,1km²
Discharge
849,43m³/s
Mean elev.
268m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Kanhar5717 km²
- Bassin de Son116 km²
4 dept-equivalent regions (GADM L2)
- 360.2 km²63.6% of basin
- 103.1 km²18.2% of basin
- 54.4 km²9.6% of basin
- 48.7 km²8.6% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
8 distinct species · 9 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°
25,3°C
Annual rain
980mm
Moisture idx (CMI)
-0,42
Runoff
455mm/an
PET
1 688mm
AET
744mm
Mean slope
5,2°
Water table
302cm
Forest
16%
Crops
24%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)