South Ridge Trail, Cadillac Mountain, Mount Desert Island, ME

See more in our guide to 55 Amazing New England Hikes.

It gets steep as you approach the summit of Cadillac Mountain on this 7.4-mile roundtrip hike in Acadia National Park, but the path provides stunning glimpses of the Atlantic and, at night, a clear shot of the Milky Way.

Level: Advanced | Distance from Boston: 285 miles
Mount Desert Island, ME, 207-288-3338, website.

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