E.J. Mackenbach Nature Preserve is OFFICIALLY OPEN!
E.J. Mackenbach Nature Preserve is OFFICIALLY OPEN!

Heritage Trails Park District is proud to announce that the E.J. Mackenbach Nature Preserve is now officially OPEN! Park Commissioners & staff held a ribbon-cutting ceremony on October 23, 2026! The preserve features 70 acres of mature-growth forest & wetland habitats, 3 miles of hiking trails, parking & restroom facilities, and amazing views of the historic Miami & Erie Canal. You're invited to explore Auglaize County's newest park! The E.J. Mackenbach Nature Preserve is open dawn to dusk, 365 days a year and is located at 14579 County Road 66A, St. Marys, Ohio. Spend some time outdoors this autumn season, nature looks good on you!







