HydroBASINS lev08 watershed · #7080450660
Bassin · #7080450660
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 across 2 countries : Lake Ontario
Sub-basin area
45km²
Upstream area
702 369,6km²
Discharge
6 539,9m³/s
Mean elev.
73m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Colborne Creek484 km²
- Bassin · #7080450650269 km²
2 dept-equivalent regions (GADM L2)
- Lake OntarioNew York · United States35.8 km²79.3% of basin
- 9.4 km²20.7% of basin
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°
8,1°C
Annual rain
824mm
Moisture idx (CMI)
-0,07
Runoff
443mm/an
PET
883mm
AET
638mm
Mean slope
0,0°
Water table
0cm
Forest
0%
Crops
20%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)