From Oakland County:

Take M-10 The Lodge south to downtown Detroit. After going under Cobo Center, the freeway ends and you’ll be on Jefferson Avenue heading east. Stay to the right after passing the Renaissance Center and continue following Jefferson. About 2 miles east of downtown will be the entrance to Belle Isle Park on the right. Turn right into the park. After crossing the bridge, stay to the right and follow the perimeter road all the way around the island. The DYC will be on the right side after you’ve gone 3/4 of the way around the island and have come back to the Detroit side.

From Windsor:

After exiting the tunnel, turn right on Jefferson Avenue. Stay to the right after passing the Renaissance Center and continue following Jefferson. About 2 miles east of downtown will be the entrance to Belle Isle Park on the right. Turn right into the park. After crossing the bridge, stay to the right and follow the perimeter road all the way around the island. The DYC will be on the right side after you’ve gone 3/4 of the way around the island and have come back to the Detroit side.