Home / Michigan lakes / Grass Lake (Montmorency County, 322 acres)
Natural inland lake

Grass Lake (Montmorency County, 322 acres)

Montmorency County, Michigan

Grass Lake is in Montmorency County in the northern Lower Peninsula. It is a shallow, weedy lake with wetland shoreline and a lot of state forest land around it.

N0.5 mi
Air temp Loading current temperature…
Map data © OpenStreetMap contributors.
Surface area322 acres
Max depth10 ft
Shoreline—
Boat motorsCheck local rules

Species

Fishery rating out of 5.

Northern Pike●●●○○

24 inch minimum and 2 fish daily limit

Largemouth Bass●●●○○

Weeds, docks and wood in the shallows.

Bluegill●●●○○

Weed beds and shallow flats in late spring.

Crappie●●●○○

Brush piles, docks and standing timber. Minnows or small jigs.

Yellow Perch●●●○○

Schools on mud and sand flats. Great through the ice.

Smallmouth Bass●●○○○

Rock, gravel and points. Tubes, jerkbaits and drop-shots.

Boat launches

2 launch sites. Fees and hours change, so confirm before you go.

  • Grass Lake DNR boat launchRamp
    South shore. Concrete ramp, parking for about eight vehicles with trailers. Maintained by DNR Parks and Recreation.Directions ↗
  • More public accessPublic
    See the Michigan DNR or lake website for all ramps and feesDirections ↗

Size & creel limits

Special rules for this lake, confirmed from official state regulations. Minimum size and daily limit.

SpeciesMin sizeDaily limit
Northern Pike
From 2012 DNR survey report; confirm in the current digest
24 in2

Other species in this lake: look up the limits at Michigan Department of Natural Resources ↗

Verified October 2026. Rules change, so confirm current limits with the Michigan Department of Natural Resources before you fish.

Bait & tackle nearby

No shops listed yet for this lake. Use the search link below.

Search more bait shops near Grass Lake (Montmorency County, 322 acres) ↗

Local tips

  • Most of the lake is under 4 feet deep, so use light, weedless baits.
  • The deepest water is about 10 feet near the island in the north-central part.
  • Keep pike only if 24 inches or longer, and take no more than 2.

View on interactive map

Zoom and pan on a street, satellite or terrain map. Red pins are boat launches.

More Michigan lakes

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Always wear a life jacket and check your state's current regulations before you fish.