Grass Lake State Forest Campground
Thompsonville, MI
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Amenities, activities and location
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Grass Lake Dam Road, Thompsonville, MI, 49683, US
About this campground
Grass Lake State Forest Campground is located at Grass Lake Dam Road, Thompsonville MI 49683. Grass Lake State Forest Campground can be contacted at (231) 631-9227 or http://www.michigandnr.com/parksandtrails/Details.aspx?id=587&type=SFCG
From Camping · checked 9 Feb 2026
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Grass Lake State Forest Campground
Last checked Sep 2026
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