Michigan has 30 lakes named Grass Lake of 10 acres or more, in 25 counties. The largest is in Montmorency County (632 acres); the deepest measured, in White Lake Township, Oakland County (31 ft). 2 have been stocked by the DNR and 3 have a public launch.
How they differ: The clearest is in Chester Township, Otsego County, about 13 ft of visibility in the 2023 satellite estimate; the most recently stocked is in Jackson County (15 Oct 1992); public launches are listed on the ones in Montmorency County, Fairplain Township, Montcalm County and Sidney Township, Montcalm County; the other 27 have no public access site in the DNR list; 2 have 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 |
|---|---|---|---|---|---|---|
| Grass LakeMontmorency County, Montmorency Township | 8 mi northwest of Hillman | 632 | 6 ft | 5 ft | 1 | |
| Grass LakeJackson County, Grass Lake Township | at Grass Lake | 353 | 13 ft | 6 ft | 5 times, last 1992 | |
| Grass LakeAlpena County, Alpena Township | 6 mi northeast of Alpena | 337 | about 15 ft (est.) | 1 ft | ||
| Grass LakeKent County, Cannon Township | 4 mi southeast of Rockford | 204 | about 30 ft (est.) | 9 ft | ||
| Grass LakeMissaukee County, Norwich Township | 15 mi southwest of Grayling | 169 | 4 ft | 3 ft | ||
| Grass LakeBenzie County, Inland Township | 7 mi northeast of Thompsonville | 139 | about 25 ft (est.) | 4 ft | ||
| Grass LakeVan Buren County, Porter Township | 4 mi south of Lawton | 130 | about 25 ft (est.) | |||
| Grass LakeKalkaska County, Excelsior Township | 9 mi east of Kalkaska | 125 | 15 ft | 10 ft | ||
| Grass LakeAlger County, Burt Township | 12 mi southwest of Grand Marais | 56 | about 25 ft (est.) | 4 ft | ||
| Grass LakeGogebic County, Watersmeet Township | 9 mi southeast of Watersmeet | 44 | 25 ft | 8 ft | once, 1979 | |
| Grass LakeMackinac County, Marquette Township | 18 mi north of Mackinac Island | 40 | about 20 ft (est.) | 2 ft | ||
| Grass LakeFairplain Township, Montcalm County, Fairplain Township | 5 mi south of Sheridan | 39 | 1 | |||
| Grass LakeWhite Lake Township, Oakland County, White Lake Township | 6 mi northeast of Milford | 37 | 31 ft | 11 ft | ||
| Grass LakeSidney Township, Montcalm County, Sidney Township | 2 mi south of Stanton | 34 | 30 ft | 12 ft | 1 | |
| Grass LakeSchoolcraft County, Thompson Township | 8 mi southwest of Manistique | 33 | ||||
| Grass LakeHighland Township, Oakland County, Highland Township | 5 mi north of Milford | 32 | about 20 ft (est.) | 4 ft | ||
| Grass LakeCorwith Township, Otsego County, Corwith Township | 9 mi southeast of Wolverine | 29 | 6 ft | 5 ft | ||
| Grass LakeSt. Joseph County, White Pigeon Township | 4 mi east of White Pigeon | 28 | about 25 ft (est.) | 10 ft | ||
| Grass LakeChester Township, Otsego County, Chester Township | 10 mi southeast of Gaylord | 26 | about 30 ft (est.) | 13 ft | ||
| Grass LakeGladwin County, Sherman Township | 10 mi northwest of Gladwin | 25 | 8 ft | 3 ft | ||
| Grass LakeBrandon Township, Oakland County, Brandon Township | at Ortonville | 24 | about 25 ft (est.) | 10 ft | ||
| Grass LakeBarry County, Assyria Township | 6 mi west of Bellevue | 23 | about 20 ft (est.) | |||
| Grass LakeMarquette County, Ishpeming | at Ishpeming | 20 | about 25 ft (est.) | 6 ft | ||
| Grass LakeLapeer County, Attica Township | 4 mi west of Imlay City | 20 | about 25 ft (est.) | |||
| Grass LakeClare County, Freeman Township | 10 mi northwest of Farwell | 19 | about 30 ft (est.) | 10 ft | ||
| Grass LakeLuce County | 10 mi southeast of Newberry | 17 | 7 ft | 4 ft | ||
| Grass LakeFoster Township, Ogemaw County, Foster Township | 9 mi west of Rose City | 15 | about 20 ft (est.) | |||
| Grass LakeLivingston County, Marion Township | 5 mi south of Howell | 15 | about 20 ft (est.) | |||
| Grass LakeKalamazoo County, Richland Township | 3 mi southwest of Richland | 13 | ||||
| Grass LakeMills Township, Ogemaw County, Mills Township | 7 mi northwest of Prescott | 10 | 9 ft |
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