Onsted, Michigan -
Mystery Hill
A strange vortex where gravity goes haywire and tennis balls roll uphill.
- Address:
- 7611 US Hwy 12, Onsted, MI
- Directions:
- Across from the entrance to Hayes State Park. On the south side of US Hwy 12; turn south at the sign onto Boardman Drive.
- Hours:
- Summer W-Su 11 am - 11 pm, weekends May & Sep. (Call to verify)
- Phone:
- 517-467-2517
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Nearby Offbeat Places
- St. Joseph's Shrine - Fake Wood Sculptures, Brooklyn, MI - 1 mi.
- Muffler Man - Paul Bunyan, Brooklyn, MI - 6 mi.
- Steel Dino Sculptures, Tecumseh, MI - 10 mi.
- In the region: R.E. Olds Transportation Museum, Lansing, MI - 51 mi.
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