Holly Oaks ORV Park is participating in the Free ORV Weekend. During Aug.19-20, Michigan residents and visitors legally can ride DNR-designated routes and trails without purchasing an ORV license or trail permit. The entrance fee for Holly Oaks ORV Park has been waived by the OCPR Parks Commission. All ORV rules and laws still apply. This includes that all vehicles entering the park must have a 10' orange flag securely mounted and all ORV riders and drivers must also sign a waiver form before entry. For more information, call 248-653-0710.