Adams Lake
7 ft
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Depth scale
Survey readout
Adams Lake is mapped to a depth of 2 m (7 ft) on the Ontario MNRF survey and covers about 28 ha (70 acres) in Muskoka, Ontario. Depths come from the Ontario MNRF survey of 1979.
Measured from the Ontario MNRF bathymetry survey.
- Deepest mapped contour
- 2 m (7 ft)
- Survey year
- 1979
- Surface area
- 28 ha (70 acres)
- Shoreline
- 4.1 km (2.6 mi) · irregular
- Fishing access
- No MNRF fishing access point listed within 100 m (the list is incomplete)
- Borders
- Wahta Mohawk Territory · First Nation reserve · 10% of shoreline · First Nation rules may apply
Additional depth details2 contours
- Contour depths
- 0–2 m (7 ft)
- Deep-spot markers
- 2 m (7 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
- 45.05917, -79.76045
- MNRF lake ID
- 17-5977-49900
- Vertical exaggeration
- 3.0× below the waterline; land at true scale
- Basemap
- Ontario FRI
- Model size
- 1.1 MB
Check the source: this lake’s record (17-5977-49900) 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: 1979. This model was built 2026-09-28. Depths between contours are interpolated, not measured.
Paddling
Paddling Index methodology v1.0 · calculated 2026-09-16Adams Lake has a heavily wooded and largely undeveloped setting, generally sheltered geometry, some nearby classified roads.
Why this score?5 components
Included in the index
| Component | Rating | Points of weight | Measurement |
|---|---|---|---|
| Natural setting | Excellent | 41.6 of 43 | 96% natural land cover within 150 m of shore (85% forest, 11% wetland; 0% developed) |
| Geometric wind exposure | Very Good | 26.0 of 36 | mean fetch 819 m · 23% of sampled water within 500 m of shelter · generally short fetch |
| 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 | Not listed | — | No publicly listed MNRF fishing access point within 100 m of this shoreline. Municipal, private and informal launches are not all in this source, so this is not evidence that access is poor — the component is excluded and the remaining weights are renormalized. |
| Road isolation | Good | 12.9 of 21 | some nearby classified roads · 14 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 — 85% forest and 11% wetland cover within 150 m of shore
- Mapped wildlife habitat
- None mapped — Ontario MNRF has not mapped moose, deer or waterfowl habitat within 1 km of this lake. The province maps these areas where it has surveyed, so this is not evidence that wildlife is absent. · Ontario MNRF Wildlife Values Area. Contains information licensed under the Open Government Licence – Ontario.
Compare Ontario lakes by Paddling Index →
Adams Lake — common questions
How deep is Adams Lake?
The deepest contour on the Ontario MNRF bathymetric survey of Adams Lake is 2 m (7 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 Adams Lake?
Adams Lake covers about 28 ha (70 acres) in Muskoka, Ontario.
Is there public access to Adams Lake?
No fishing access point for Adams Lake appears in the Ontario MNRF fishing access point list (within 100 m of the shoreline). That is not the same as the lake being private -- the MNRF list is incomplete, and many municipal, marina and private launches are not in it.
Do First Nation rules apply on Adams Lake?
Adams Lake has 10% of its shoreline in Wahta Mohawk Territory, a First Nation reserve. Fishing, boating and access on reserve land and waters can be governed by the First Nation's own rules as well as Ontario's. Check with the First Nation before fishing or launching.
