Park Loop Road is a 27-mile loop through Mount Desert Island. If you're short on time (like us), you can still enjoy the scenery of Acadia National Park from the comfort of your car. Acadia's Park Loop Road follows 27 miles on a paved highway passing some of the best attractions in the park. Along the way, you'll see lakes, mountains, rocky coasts, and forests. Some of the notable stops are: Sand Beach Thunder Hole Otter Cliff Jordan Pond Cadillac Mountain All vehicles must display a park entrance pass so it is clearly visible through the front windshield. IMP: Starting in Bar Harbor, drive the Park Loop Road clockwise. as you drive along the shore, you will pass the trailheads for the Precipice Trail and the Beehive Trail, and then come to Sand Beach, Ocean Path, and Thunder Hole. Park Loop Road continues around Otter Point and then heads inland towards Jordan Pond. As you head north, you will pass the turn off to Cadillac Mountain and then arrive back at Bar Harbor. read more