Holly Recreation Area's rolling hills provide scenic lake overlooks and excellent fall color viewing. Campsites vary from heavily wooded to open and sunny.
In terms of mountain biking, Holly Recreation Area's trail system consists of three loops: 1) A .75 mile loop called Turtle Trail...great for the kids or a quick warm up. 2) The North Loop, a 2.25 mile section of flat trail, rolling through fields and hardwoods and 3) The West Loop, a 5 mile trail with rolling hills and water crossings.
Holly Recreation Area's trail system also has a 15-mile advanced trail, Gruber's Grinder, in addition to the ones listed above. It is very technical, much like the trails in the Highland State Recreation Area, and should be ridden by newcomers with the same caution mentioned in the Highland State Recreation Area entry.
Difficulty: Some of the trails are great for beginners; Gruber's Grinder is great for hard core riders.
These trails are maintained in part by volunteers of the Michigan Mountain Biking Association (MMBA).
Parking and Trail Access
How to get there from Detroit: I-75 to exit 101, west on Grange Hall Rd., 1/4 mile to Hess Rd., north on Hess Rd. to trail head. (Note: When Hess road turns right look to your left to see where the first shortcut from "Gruber's Grinder" lets you onto Hess Rd.)
Mt. Bike trail
Grubers is one of the most awesome trails in Michigan, demanding and technical. The West is free flowing with some rolling hills and can be biked by just about anyone. The North is quite flat but fun for everyone and has an excellant view of Holdridge ...
I hike the western loop often. Before I say anything negative, let me tell you what's great about this trail: beautiful scenery. Gorgeous vistas. awe-inspiring views.
What is bad about this trail: poison ivy. More poison ivy along this trail than anywhere ...