The National Park Service has set the vehicle reservation calendar for driving up Cadillac Mountain in Acadia National Park. You will need to make a reservation to drive the Cadillac Summit Road ...

but it's the tallest mountain on the eastern seaboard. If you drive up the narrow and winding 3.5-mile Cadillac Summit Road, you'll need a timed reservation when visiting from mid-May to mid-October.

If you've been waiting to make reservations to drive to Acadia's Cadillac Mountain, the NPS has just announced opening dates ...