Bar Harbor is a village on Mount Desert Island in Hancock County in the Down East area of Maine, a state of the United States of America. Bar Harbor is a famous summer colony in the Down East region of Maine. It is home to the College of the Atlantic, Jackson Laboratory and Mount Desert Island Biological Laboratory. Bar Harbor is home to the largest parts of Acadia National Park, including Cadillac Mountain the highest point within 25 miles (40 km) of the coastline of the Eastern United States. http://wikitravel.org/en/Bar_Harbor