MacLean Lake

Simcoe County, Ontario · MNRF bathymetric survey

10m Mapped depth
33 ft

112 ha 10 contours

Paddling Index51ModestMedium confidencesheltered geometry

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Depth scale

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The lake

Survey readout

MacLean Lake is mapped to a depth of 10 m (33 ft) on the Ontario MNRF survey and covers about 112 ha (278 acres) in Simcoe County, Ontario. Depths come from the Ontario MNRF survey of 2007.

Measured from the Ontario MNRF bathymetry survey.

Deepest mapped contour: 10 m (33 ft)
Survey year: 2007
Surface area: 112 ha (278 acres)
Shoreline: 9.3 km (5.8 mi) · irregular
Fishing access: No MNRF fishing access point listed within 100 m (the list is incomplete)

Additional depth details10 contours

Contour depths: 0–10 m (33 ft)
Deep-spot markers: 10 m (33 ft), 9 m (30 ft)

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Location

Simcoe County, Ontario · all 12 lakes · tap a dot for that lake

Chart data

Provenance

Sources: Ontario MNRF / LIO Bathymetry, OpenStreetMap (ODbL), Contains information licensed under the Open Government Licence – Ontario, Contains modified Copernicus Sentinel data (Sentinel-2), processed by ontariolakedepths.com, Copernicus DEM 30 m (© DLR/Airbus).

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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 Copernicus DEM (30 m) elevation, with a Copernicus Sentinel-2 satellite basemap and OpenStreetMap shoreline. Colour shows surveyed depth; dark lines are the survey's own isobaths.

Coordinates: 44.81804, -79.65308
MNRF lake ID: 17-6066-49634
Vertical exaggeration: 2.56×
Basemap: Copernicus Sentinel-2 · ESA, via Microsoft Planetary Computer
Model size: 1.5 MB

Check the source: this lake’s record (17-6066-49634) 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: 2007. This model was built 2026-09-05. Depths between contours are interpolated, not measured.

Paddling

Paddling Index methodology v1.0 · calculated 2026-09-16

51 / 100ModestData confidence: Medium

MacLean Lake has a partly natural 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	Good	19.6 of 43	66% natural land cover within 150 m of shore (57% forest, 6% wetland; 32% developed)
Geometric wind exposure	Very Good	22.1 of 36	mean fetch 1,030 m · 10% 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	9.2 of 21	some nearby classified roads · 72 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: Low — wide enough that wakes disperse over most 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: Moderate — 57% forest and 6% 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 →

How this index is calculated. The Paddling Index is a relative composite derived from lake geometry and public land-cover, access and road-network data. It is not a user review, a safety rating, or a prediction of an individual outing. Differences of a few points should not be treated as meaningful — an 84 and an 82 are broadly comparable. Components and weights for Ontario lakes: natural setting 35%, geometric wind exposure 29%, public access 18%, road isolation 18%. Motor and speed restrictions are not modelled for Ontario, and road traffic is estimated from road class, not measured. Where a component has no data the remaining weights are renormalized and the confidence rating is lowered; below Medium confidence no number is shown. Ontario scores are relative to other Ontario lakes and are not directly comparable with Paddling Index scores on our sister sites, which use different data sources and include a watercraft-rules component. Sources: Ontario MNRF bathymetry outline (0 m contour or survey index polygon), Ontario Land Cover v1.0, Ontario MNRF (Open Government Licence – Ontario) (2020) and Ontario Road Network (Open Government Licence – Ontario); traffic estimated by road class, not measured (2026-09). Conditions change quickly — check current weather and local conditions before going out.

Angler catch reports

Fish ON-Line · 2015–2024

What anglers say they caught here, logged trip by trip in Ontario’s Fish ON-Line app — most recently in December 2024.

9Trips logged

9Species

82Fish reported

Pictures are sized relative to each other. Illustrations are AI-generated representative adults in everyday colours, not photographs (provenance).

All species & trip details9 species

Rock Bass4 of 9 trips · 7 caught

Black Crappie3 of 9 trips · 43 caught

Northern Pike3 of 9 trips · 8 caught

Pumpkinseed3 of 9 trips · 8 caught

Largemouth Bass3 of 9 trips · 6 caught

Bowfin2 of 9 trips · 2 caught

Bluegill1 trip · one angler’s report · 5 caught

Yellow Perch1 trip · one angler’s report · 2 caught

Channel Catfish1 trip · one angler’s report · 1 caught

How people fish it: shore 44% · ice 33% · boat 22%
Catch rate: about 2.2 fish an hour, all species together (9 trips, 37 hours logged)
Kept: 40% of the fish reported; the rest were released

About these fish → the Fish of Ontario guide

Trips are logged voluntarily by anglers in Ontario’s Fish ON-Line app. This is what people report catching, not a Ministry survey, and a species nobody has logged may still be here. Contains information licensed under the Open Government Licence – Ontario. Source: Ontario Ministry of Natural Resources, Fish ON-Line. A logged catch does not mean it is legal to catch or keep: check the Ontario Fishing Regulations Summary for this lake’s zone and exceptions.

Quick answers

MacLean Lake — common questions

How deep is MacLean Lake?

The deepest contour on the Ontario MNRF bathymetric survey of MacLean Lake is 10 m (33 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 MacLean Lake?

MacLean Lake covers about 112 ha (278 acres) in Simcoe County, Ontario.

Is there public access to MacLean Lake?

No fishing access point for MacLean 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.

More lakes in Simcoe County