Bicycling is a wonderful way to explore the natural beauty of Acadia National Park and Mount Desert Island. Visitors can bring along their own mountain, hybrid or road bikes or gear up with rentals and accessories at any of a number of bicycle shops in Bar Harbor. There’s a wide variety of routes for riders of all interests and abilities, including miles of paved roads and byways, carriage roads, and old fire roads. And the free Island Explorer system has two options that will get you and your bike to and from your chosen bicycling location. You can take the regular bus, which is specially equipped with bike racks and connects hotels, inns, and campgrounds on Mount Desert Island and mainland Ellsworth and Trenton to park and town destinations. Or hop onto the special Bicycle Express (operating late June to the end of September) provides quick service between Bar Harbor and Eagle Lake, where the carriage roads can be accessed.

Remember, Safety First


  • Wear a properly-fitted bicycle helmet (mandatory for bicyclists under the age of 16).
  • Obey the rules of the road and follow all traffic laws, signs, and signals, just like cars.
  • Signal turns and ride in designated bike lanes and on shoulders, when practicable.
  • Ride at a safe speed.
  • Be prepared to stop, but be cautious of making sudden stops on loose gravel.
  • Stay to the right. Warn other users before passing on the left.
  • Carry and drink plenty of water.

Contact the Maine Department of Transportation for more bicycle safety and bicycle trip planning information.


  • Drive cautiously around bicyclists.
  • Motorists must give bicyclists 3 feet of clearance when passing (Maine law).
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