Turns out Cadillac Mountain may not be the first place where the sun shines August 18, 2016Acadia 100Acadia 100, Acadia park, Cadillac Mountain, sunrise from Cadillac Mountain, sunrises in Acadia, where does the sun hit the US first?, where is the easternmost point in the US? By Sarah Cottrell We’ve all heard that Cadillac Mountain is the most eastern point of the United States where the sun first hits every day but is it true?