In Montmorency County, the Big Bear ORV Trail is a 20 mile route open to off-road motorcycle trails riding. There is a 15 mile loop and a 5 mile connector trail to the Crapo Creek Trail and the North Branch Route.
Driving directions: To reach the parking area take I-75 north out of Grayling. Exit at Otsego Lake/ CR F-38 and head east about 7 mi. Parking is at the intersection of CR F-38 and Turtle Lake Road.
Overall, Big Bear ORV Trail is the 40th most popular dirt bike trail of all 63 dirt biking rides in Michigan.