Lake Mitigwaki

Iron County, Michigan · MI DNR bathymetric survey

10ft Max
depth

242 acres 2 contours

Paddling Index70GoodMedium confidenceaway from major roads · sheltered geometry · wooded shoreline

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Depth scale

0510

The lake

Survey readout

Lake Mitigwaki is mapped to a depth of 10 ft on the Michigan DNR survey and covers about 242 acres in Iron County, Michigan.

Measured from the Michigan DNR inland-lake contour survey (depths read from the survey's isobath field; this lake's summary-depth column is blank in the source).

Deepest mapped contour: 10 ft
Mean depth: 7.8 ft · estimated
Surface area: 242 acres
Estimated volume: 1,872 acre-ft · 610M gal
Shoreline: 3.57 mi · irregular
Aquatic vegetation: 4% of surface · NDVI estimate
Public access: No public DNR launch identified

Additional depth details2 contours

Contour depths: 0–10 ft
Recorded point soundings: 10 ft

42.2% of the surface sits over water shallower than 10 ft. Depth, area and volume are estimated from the interpolated survey surface — historical reference, not measurement.

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Location

Iron County, Michigan · 15 nearest of 81 lakes · tap a dot for that lake

Chart data

Provenance

Sources: MI DNR inland lake contours, USGS 3DEP, USDA NAIP (public domain), OpenStreetMap (ODbL), MI DNR Boat Launches.

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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 USGS 3DEP elevation, with a USDA NAIP aerial basemap and OpenStreetMap shoreline. Colour shows surveyed depth; dark lines are the survey's own isobaths.

Coordinates: 46.34205, -88.93731
MI DNR lake ID: L42456
Vertical exaggeration: 12.0× below the waterline; land at true scale
Basemap: USDA NAIP · public domain
Model size: 2.4 MB

Paddling

Paddling Index methodology v1.0 · calculated 2026-08-21

70 / 100GoodData confidence: Medium

Lake Mitigwaki has a mostly natural, lightly developed setting, generally sheltered geometry, little nearby major-road exposure. No special watercraft restriction is identified in the current source.

Why this score?5 components

Included in the index

Component	Rating	Points of weight	Measurement
Natural setting	Very Good	25.0 of 35	69% natural land cover within 150 m of shore (23% forest, 46% wetland; 10% developed)
Geometric wind exposure	Very Good	18.9 of 29	mean fetch 957 m · 4% of sampled water within 500 m of shelter · generally short fetch
Watercraft controls	None identified	8.8 of 18	No special watercraft restriction identified in the current DNR source. Motors permitted, subject to general law.
Public access	Not listed	—	No DNR-listed access site. Township, county and road-end launches are not in this source, so this is not evidence that access is poor — the component is excluded and the remaining weights are renormalized.
Road isolation	Excellent	17.6 of 18	relatively isolated from major roads · 4 MDOT-classified segments within 1.2 km, peak 117 vehicles/day

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
Aquatic vegetation: Low — approximately 4% mapped coverage · NAIP aerial imagery (NDVI)
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 — 23% forest and 46% wetland cover within 150 m of shore

Compare Michigan lakes by Paddling Index →

How this index is calculated. The Paddling Index is a relative composite derived from lake geometry and public environmental, access, roadway and watercraft-control 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: natural setting 30%, geometric wind exposure 25%, watercraft controls 15%, public access 15%, road isolation 15%; observed motorboat activity is weighted 0% because no defensible lake-level measurement exists. Where a component has no data the remaining weights are renormalized and the confidence rating is lowered; below Medium confidence no number is shown. Sources: MI DNR Watercraft Control Areas (2026-08), USGS/MRLC NLCD Land Cover (2021), MDOT Annual Average Daily Traffic (2025) and MI DNR bathymetric survey outline (0 ft isobath). Conditions change quickly — check current weather and local conditions before going out.

Non-native species records

No non-native species recorded in the available dataset. This does not confirm that no non-native species are present.

Source: Midwest Glacial Lakes Partnership Conservation Planner; underlying nonindigenous species records from the USGS Nonindigenous Aquatic Species database.

Quick answers

Lake Mitigwaki — common questions

How deep is Lake Mitigwaki?

The deepest contour on the Michigan DNR bathymetric survey of Lake Mitigwaki is 10 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 Lake Mitigwaki?

Lake Mitigwaki covers about 242 acres in Iron County, Michigan.

What is the average depth of Lake Mitigwaki?

The estimated mean depth of Lake Mitigwaki is 7.8 ft, calculated from the survey contours.

Is there public access to Lake Mitigwaki?

No public launch for Lake Mitigwaki appears in the Michigan DNR access data. That is not the same as the lake being private -- municipal and private ramps are not in that source.

More lakes in Iron County