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Grass Island

Grass Island from directly overhead

Grass Island is a nature reserve in Michigan, at a modelled elevation of 177 m. Hickey Hill stands 306 m to the south-southwest, 15 miles off. The nearest named place is Mich-e-ke-wis Park, a park 0.8 miles away. 135 named places lie within 25 miles, 3 of them named summits.

What to expect

Operated by
Michigan Nature Association
Access
Permitted

Official site

How to reach it

Coordinates45.03571, -83.43874

135 named places within 25 miles

Parks: 57
Artworks: 36
Attractions: 8
Peaks: 3
Beaches: 2
Lighthouses: 1

Summits around it

The highest named summits within 25 miles of Grass Island. Elevation from each summit’s own record; bearing measured between the two coordinates.

SummitBearingElevationDistance
Hickey HillSSW 203°306 m15.1 mi
Mount MariaSSW 195°282 m20.2 mi
Manning HillW 278°280 m13.7 mi

When to go

Light through the year

DateSunriseGolden hourSunset
March equinox07:3819:0719:46
June solstice05:4820:4021:25
September equinox07:2118:5419:33
December solstice08:1016:0616:55

Local time (America/Detroit).

Climate normals

Months averaging 50–80 °F: May–Sep.

JanFebMarAprMayJunJulAugSepOctNovDec
Avg °F202129405262686760483627
Precip in2.21.71.83.13.22.73.33.42.93.22.32.1

1991–2020 U.S. Climate Normals, NOAA NCEI — Alpena Wwtp, 2 mi away.

  • Great Egret86 obs
  • Eastern Gray Squirrel79 obs
  • Double-crested Cormorant77 obs
  • American Herring Gull63 obs
  • Ring-billed Gull52 obs
  • Great Blue Heron19 obs
  • European Starling18 obs
  • Striped Skunk16 obs

Research-grade iNaturalist community observations within 3 km — what people have recorded, not a species inventory.

Where this comes from

Location and category confirmed against OpenStreetMap.

OpenStreetMapWikidataOfficial site

OpenStreetMap element way/268938430

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