Map History Friday Cambridge Junction Historic State Park1220 Wamplers Lake Road, Onsted, MI 49265WebsitePhone: (517) 241-0731 Description We've teamed up with nearby Walter J. Hayes State Park to present coordinated cultural and natural history programs for kids ages 5 to 15. On Nature Wednesdays, explorer guides from Hayes State Park travel to Cambridge Junction Historic State Park to share the outdoors with our visitors; on History Fridays, history interpreters from Cambridge Junction Historic State Park travel to Hayes State Park to share Michigan's past with park visitors there. See the complete Nature Wednesday/History Friday 2018 schedule. This program is free of charge; a Recreation Passport is required for park entry. Cambridge Junction Historic State Park-part of the Michigan History Museum System and the MotorCities National Heritage Area-is located 35 miles west of Ann Arbor. Read more Cambridge Junction Historic State Park visitor information. We invite you to explore our online calendar, where you'll find all Michigan History Center events throughout the state. Updated 06/07/2018 Videos Event Dates More To Explore Categories: Cultural & Heritage City: Onsted Region: Southeast Although the MEDC uses reasonable efforts to maintain the accuracy of the website content, it is not represented to be error free. Read legal information.