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Inland lake

Grass Lake (Montmorency County, 632 acres)

Montmorency County, Michigan

Grass Lake is in Montmorency County. It is very shallow, mostly under 4 feet, and holds mainly bluegill and largemouth bass.

N0.5 mi
Air temp Not available right now.
Map data © OpenStreetMap contributors.
Surface area632 acres
Max depth10 ft
Shoreline—
Boat motorsCheck local rules

Species

Fishery rating out of 5.

Bluegill●●●●○

Most common fish in the 2012 DNR survey

Largemouth Bass●●●○○

Weeds, docks and wood in the shallows.

Crappie●●●○○

Black crappie

Yellow Perch●●○○○

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

Northern Pike●●○○○

24 inch minimum, 2 fish daily

Boat launches

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

  • Grass Lake DNR Boat RampRamp
    South shore concrete ramp with parking for about eight vehicles with trailers.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
Lake-specific rule noted in the 2012 DNR survey report
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, 632 acres) ↗

Local tips

  • Use a small boat since most of the lake is under 4 feet deep.
  • Fish for bluegill and crappie around the island in the north-central area.
  • Pike must be at least 24 inches, and the daily limit is two.

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.