HydroBASINS lev08 watershed · #4080901870
Bassin de Koshi
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 1 administrative regions : Saharsa
Sub-basin area
13,9km²
Upstream area
69 612,6km²
Discharge
1 906,22m³/s
Mean elev.
44m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Koshi248 km²
- Bassin de Koshi River198 km²
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°
25,4°C
Annual rain
1 035mm
Moisture idx (CMI)
-0,35
Runoff
557mm/an
PET
1 586mm
AET
812mm
Mean slope
0,0°
Water table
6cm
Forest
0%
Crops
65%
Urban
66%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)