Lost Rocks & Mackinac Millstones

Schedule

Sat Aug 23 2025 at 09:00 am to 05:00 pm

UTC-04:00

Location

Historic Mill Creek | Mackinaw City, MI

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While limestone formations are famous at Mackinac, other geological wonders lie hidden underfoot. This week, special programs highlight the grist mill which once ground grain into flour at Historic Mill Creek. Our millstones were hewn from “lost rocks,” boulders deposited by glaciers thousands of years ago. Learn what evidence of milling has been found here, how the process worked, and what grains were grown at the Straits of Mackinac. Also enjoy a lost rock scavenger hunt along the trails. All special programs included with regular admission. #thisismackinac
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Where is it happening?

Historic Mill Creek, 9001 US Hwy 23,Mackinaw City, Michigan, United States

Event Location & Nearby Stays:

Mackinac State Historic Parks

Host or Publisher Mackinac State Historic Parks

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