Thumb Lake

{{Short description|Lake in Michigan, United States}} {{about|the lake|the former community along the same lake|Thumb Lake, Michigan|the lake in Wyoming|Thumb Lake, Wyoming}} {{Use American English|date=July 2025}} {{Infobox body of water | name = Thumb Lake | image = Michigan's Thumb Lake 1.jpg | caption = | image_bathymetry = | caption_bathymetry = | location = Charlevoix County, Michigan | coords = {{coord|45|11|N|84|45|W|type:waterbody_region:US-MI|display=inline,title}} | type = | inflow = | outflow = | catchment = | basin_countries = United States | length = | width = | area = {{convert|484|acre|km2|1}} | depth = | max-depth = {{convert|152|ft|abbr=on}} | volume = | residence_time = | shore = | elevation = {{convert|1033|feet}}<ref>{{gnis|1614835}}</ref> | islands = | cities =  | pushpin_map = Michigan | pushpin_label_position = | pushpin_map_alt = Location of the lake in Michigan. | pushpin_map_caption = }} thumb|right|A boat launch on the shore of Thumb Lake

'''Thumb Lake''', also known as '''Lake Louise''' by the "Lake Louise Camp" community, is a kettle lake located in Hudson Township, Charlevoix County, Michigan, United States. The epithet ''Thumb Lake'' derives from the lake's bathymetry. An islet protrudes from the lake's west basin. The total surface area of the lake is {{convert|484|acre|km2|1}}, with maximum depths of {{convert|152|ft|m}}.

The misnomer "Lake Louise" comes from a former Camp director who wanted to rename the lake after his wife.

The lake is nestled in the highlands east of the village of Boyne Falls, centered at {{coord|45|11|N|84|45|W|}}, and is surrounded by wooded hills. Because of its depth and the dearth of run-off into the lake, its waters are exceptionally clear. The lake is inhabited by splake, a stocked hybrid species (lake trout and brook trout), rainbow trout, yellow perch, smallmouth bass, northern pike, largemouth bass, smelt, and other panfish. Public access is available on the eastern shore of the lake in the form of a park with swimming beach, and on the southwestern shore in the form of a boat launch.

==See also== *List of lakes in Michigan

==External links== *[http://www.dnr.state.mi.us/SPATIALDATALIBRARY/PDF_MAPS/INLAND_LAKE_MAPS/CHARLEVOIX/THUMB_(LOUISE)_LAKE.PDF Thumb Lake Inventory Map], produced and published by the Institute for Fisheries Research (IFR)

==References== {{Reflist}}

Category:Lakes of Charlevoix County, Michigan Category:Lakes of Michigan