Frater Lake
40 ft
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Depth scale
Survey readout
Frater Lake is mapped to a depth of 12.2 m (40 ft) on the Ontario MNRF survey and covers about 28 ha (68 acres) in Algoma District, Ontario. Depths come from the Ontario MNRF survey of 1976.
Measured from the Ontario MNRF bathymetry survey.
- Deepest mapped contour
- 12.2 m (40 ft)
- Survey year
- 1976
- Surface area
- 28 ha (68 acres)
- Shoreline
- 6.0 km (3.7 mi) · irregular
- Fishing access
- 2 MNRF fishing access points · 2 boat launches
- In
- Lake Superior Provincial Park · Ontario Parks
Additional depth details6 contours
- Contour depths
- 0–12.2 m (40 ft)
- Deep-spot markers
- 12.2 m (40 ft)
Provenance
Sources: Ontario MNRF / LIO Bathymetry, Ontario FRI Leaf-On Imagery, Ontario FRI LiDAR DTM, OpenStreetMap (ODbL), Contains information licensed under the Open Government Licence – Ontario.
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Map details & sources5 sources
All layers registered to one bounding box; positions in WGS 84.
Survey-derived depth contours drape over Ontario LiDAR (FRI DTM) elevation, with a Ontario FRI aerial basemap and OpenStreetMap shoreline. Colour shows surveyed depth; dark lines are the survey's own isobaths.
- Coordinates
- 47.32988, -84.54634
- MNRF lake ID
- 16-6856-52444
- Vertical exaggeration
- 2.32× below the waterline; land at true scale
- Basemap
- Ontario FRI
- Model size
- 1.5 MB
Check the source: this lake’s record (16-6856-52444) in the Ontario MNRF bathymetry index, and the contour line layer the map is drawn from (Land Information Ontario open data, Open Government Licence – Ontario). Survey year: 1976. This model was built 2026-09-28. Depths between contours are interpolated, not measured.
Paddling
Paddling Index methodology v1.0 · calculated 2026-09-16Frater Lake has a heavily wooded and largely undeveloped setting, well sheltered geometry, little nearby major-road exposure.
Why this score?5 components
Included in the index
| Component | Rating | Points of weight | Measurement |
|---|---|---|---|
| Natural setting | Excellent | 32.7 of 35 | 94% natural land cover within 150 m of shore (94% forest, 0% wetland; 3% developed) |
| Geometric wind exposure | Excellent | 29.4 of 29 | mean fetch 346 m · 86% of sampled water within 500 m of shelter · short fetch in most directions |
| Motor & speed rules | Not modelled | — | Canada publishes vessel motor and speed restrictions as federal legal schedules, not map data, so they are not part of the Ontario index. Check local signage and Transport Canada rules before going out. |
| Public access | Good | 15.0 of 18 | 2 MNRF fishing access points · boat ramp |
| Road isolation | Excellent | 17.6 of 18 | relatively isolated from major roads · 2 Ontario Road Network segments within 1.2 km (traffic estimated from road class, not measured) |
Additional paddling considerations
These describe the lake but are not part of the v1 Paddling Index and do not change the number above.
- Wake sensitivity
- Moderate — narrow in places — wakes would carry across parts of the lake
- Observed motorized activity
- Unknown — No lake-level measurement of boat traffic is available. Legal permission to operate motors is not evidence of use.
- Wildlife habitat potential
- High — 94% forest and 0% wetland cover within 150 m of shore
- Mapped wildlife habitat
- Mapped — Ontario MNRF has mapped moose aquatic feeding area within 1 km of this lake. These are habitat records from provincial surveys, not animal counts; areas with nothing mapped may still hold wildlife. · Ontario MNRF Wildlife Values Area. Contains information licensed under the Open Government Licence – Ontario.
Compare Ontario lakes by Paddling Index →
Frater Lake — common questions
How deep is Frater Lake?
The deepest contour on the Ontario MNRF bathymetric survey of Frater Lake is 12.2 m (40 ft). That is the deepest depth the historical survey map records, which may differ from the deepest point of the lake itself.
How big is Frater Lake?
Frater Lake covers about 28 ha (68 acres) in Algoma District, Ontario.
Is there public access to Frater Lake?
The Ontario MNRF lists 2 fishing access points within 100 m of the shoreline of Frater Lake: 2 boat launches. The list includes municipal and privately owned sites, and some may charge a fee or restrict parking, so it confirms a place anglers use rather than a public right of way. Check locally before you go.
