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Acadia National Park - General Park Information

People have been drawn to the rugged coast of Maine throughout history. Awed by its beauty and diversity, early 20th-century visionaries donated the land that became Acadia National Park. The park is home to many plants and animals, and the tallest mountain on the U.S. Atlantic coast. Today visitors come to Acadia to hike granite peaks, bike historic carriage roads, or relax and enjoy the scenery.

Acadia National Park and the surrounding area are full of scenic and historic destinations. See a lighthouse up-close, explore exhibits at the Nature Center, and more. Since 1999, propane-powered Island Explorer buses have carried more than two million passengers in Acadia National Park, eliminating more than 685,000 automobile trips and preventing 6,444 tons of greenhouse gases. The fare-free buses are supported by your entrance fees.

At 1,530 feet, Cadillac Mountain is not only the tallest mountain in the park, but also the tallest mountain along the eastern coast of the United States. Rising high above the town of Bar Harbor, Cadillac Mountain offers magnificent views of the Porcupine Islands and Frenchman Bay. Explore the summit of this granite mountain along a .3-mile trail, which includes wayside exhibits about natural and human history. Portions of this trail are accessible to wheelchair users.

Cadillac Mountain is accessible via a winding, narrow, 3.5-mile road. The road is closed from December 1 through April 14 and whenever weather conditions (e.g., dense fog or ice) require.

From late May to early October, park rangers present a variety of fun, interesting programs. Choose from boat cruises, hikes, talks, children's programs, evening programs, and more.

Arrive prepared for a wide variety of weather conditions. Summer temperatures vary from 45º F to 85º F, spring and fall temperatures from 30º F to 70º F. You may encounter rain and fog at any time, and snow and ice are common in the winter.