The Felch Grade Trail is one of many rail-trails in Michigan. It is a multi-use trail that winds through Delta, Menominee, and Dickinson counties. It's excellent for a long training ride or taking along some new to mountain biking. Ride as long as you want and turn back when you've reached your half-way point.
How to get there:
The town of Felch is just off Hwy 69 in Michigan's Upper Penisula.