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Thumb Lake

Charlevoix County, Michigan Inland Lake Connected Water
152 ft deep1 launchFree launch available
Thumb Lake Access Map 1 launch
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Beaches & Public Access 2
Thumb Lake Park
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Thumb Lake
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Campgrounds 2
Chandler Hill Campground
4.6★ (190)
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Thumb Lake Park
4.5★ (40)
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Boat Launches on Thumb Lake
Thumb Lake Boat Launch
Young State Park · Unimproved ramp, 1 lane, 8 trailer spots
Open Motorboat Kayak Free
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Connected Waterways

Thumb Lake is a kettle lake — formed by glacial activity rather than river systems — so it lacks major inflows or outflows. This closed-basin hydrology contributes to its exceptional water clarity. It sits in the Lake Michigan watershed within Charlevoix County.

Winter & Ice Safety

At 152 feet deep, Thumb Lake is one of the deeper small lakes in the region. Deep kettle lakes can be slow to freeze and develop uneven ice, particularly over the deepest basins. Always check ice thickness carefully before venturing out, especially early and late in the season.

Frequently Asked Questions
How deep is Thumb Lake?
Thumb Lake reaches a maximum depth of 152 feet, which is exceptionally deep for a 484-acre lake. That depth is what gives the water its crystal-clear quality — it's a glacially formed kettle lake with minimal shallow-water sediment stirring.
What fish are in Thumb Lake?
Perch are the most commonly caught species based on angler reports — multiple reviewers mention consistent perch fishing. The lake's 152-foot depth and clear water likely support cold-water species as well, though specific stocking data should be verified with the DNR.
Is there a public beach on Thumb Lake?
Yes, Thumb Lake Park has a public beach with swimming access, a pavilion, and grills for cookouts. The individual beach areas feel relatively private. Note that some of the walkway surfaces have been reported as slippery and in need of maintenance — watch your footing.
Is there a boat launch on Thumb Lake?
There is one public boat launch on Thumb Lake, rated 4.7 stars on Google with 61 reviews. The lake sees relatively light boat traffic compared to larger nearby lakes, which makes it appealing for kayaking, canoeing, and quieter outings.
Where is Thumb Lake located?
Thumb Lake is in Hudson Township, Charlevoix County, in the northwest Lower Peninsula of Michigan. It's in the same general corridor as Torch Lake and other well-known Charlevoix County lakes, but far less developed and much quieter.
Why is Thumb Lake also called Lake Louise?
The Lake Louise name comes from the Lake Louise Camp community, a well-established Christian camp (Higher Ground) on the lake's shore. Officially the lake is Thumb Lake — named for its thumb-shaped underwater contour — but you'll hear both names locally.
Can you swim in Thumb Lake?
Absolutely. The water is crystal clear and multiple visitors describe it as some of the best swimming water they've encountered in Michigan. Thumb Lake Park provides public swim access with beach areas, though the walkway surfaces can be slippery.
Are there campgrounds near Thumb Lake?
Yes — Chandler Hill Campground and Thumb Lake Park are both nearby options for camping. The area is quiet and relatively undeveloped, which adds to the appeal for overnight stays.
How does Thumb Lake compare to Torch Lake?
Reviewers explicitly say Thumb Lake has water quality comparable to — or better than — Torch Lake, with the major advantage of far less development and boat traffic. It's a fraction of Torch's size (484 acres vs. 18,770) but offers a similar crystal-clear experience without the crowds.
Is there cell phone service at Thumb Lake?
Cell service is limited around Thumb Lake. Multiple visitors actually list this as a positive — it forces you to unplug. Plan accordingly if you need reliable connectivity.
Scout's Notes
Lake Vibe & Fishing Intel

Thumb Lake is a 484-acre kettle lake in Hudson Township, Charlevoix County — named for its thumb-shaped bathymetry, though locals at the Lake Louise Camp community call it Lake Louise. What sets this lake apart is its exceptional depth: 152 feet maximum, which is remarkable for a lake under 500 acres. That depth produces crystal-clear water that reviewers regularly compare favorably to Torch Lake, minus the crowds and wall-to-wall shoreline development. A small islet juts out from the west basin, adding character to the lake's profile.

The vibe here is decidedly low-key and undeveloped — limited cell service, light boat traffic, and a shoreline that hasn't been built out like neighboring lakes. Fishing is solid, with perch being the most commonly mentioned catch. The public beach at Thumb Lake Park offers swimming, pavilions, and grills, though the infrastructure could use some upkeep. Higher Ground (Lake Louise Camp) is a well-known Christian camp on the lake. Chandler Hill Campground is nearby for overnights. If you're looking for a deep, clear, quiet lake in the Charlevoix County corridor without the Torch Lake scene, this is it.

Sources: Wikipedia, Google Reviews, DNR data, campground & beach reviews, ShorelineScout enrichment

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