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 ...

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 ...