Michigan has 3 lakes named Triangle Lake of 10 acres or more, in 3 counties. The largest is in Schoolcraft County (173 acres); the deepest measured, in Schoolcraft County (30 ft). 1 has been stocked by the DNR and 0 have a public launch.
How they differ: The clearest is in Livingston County, about 14 ft of visibility in the 2023 satellite estimate; the most recently stocked is in Alger County (6 May 1992); 1 has a full page here with a depth map, linked below.
Circles sized by area and shaded by deepest measured point. Michigan DNR lake polygons and depth surveys.
Largest first. The nearest town is the closest place in the Census list to the middle of the lake.
| Lake | Near | Acres | Deepest | Clarity | Stockings | Launches |
|---|---|---|---|---|---|---|
| Triangle LakeSchoolcraft County, Inwood Township | 19 mi northwest of Manistique | 173 | 30 ft | 12 ft | ||
| Triangle LakeLivingston County, Marion Township | 5 mi north of Pinckney | 53 | about 35 ft (est.) | 14 ft | ||
| Triangle LakeAlger County, Burt Township | 12 mi southwest of Grand Marais | 47 | 27 ft | 6 ft | 4 times, last 1992 |
Depth: Michigan DNR survey soundings; "about" figures are older Michigan EGLE estimates. Clarity: Michigan EGLE satellite estimate, 2023 average. Stockings: Michigan DNR Fisheries. Launches: Michigan DNR public access sites. Towns: US Census Bureau 2024 Gazetteer. How we measure