HydroBASINS lev08 watershed · #7080328570
Bassin de Canada-US Great Lakes maritime boundary (Superior-Huron)
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 Superior
Sub-basin area
332,8km²
Upstream area
332,8km²
Discharge
6,23m³/s
Mean elev.
179m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
2 dept-equivalent regions (GADM L2)
- 326.7 km²97.9% of basin
- 7.1 km²2.1% of basin
1 intersecting protected areas
National Marine Conservation Area
326.44 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°
2,5°C
Annual rain
779mm
Moisture idx (CMI)
0,10
Runoff
593mm/an
PET
702mm
AET
548mm
Mean slope
0,0°
Water table
0cm
Forest
0%
Crops
0%
Urban
0%
Protected
98%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)