Cadillac Mountain is the headline sight of Acadia National Park and the single place most visitors say they must see. The summit rises 1,530 feet above the sea and is the highest point on the Atlantic coast of the United States north of Brazil, a bald dome of pink-tinged granite scoured by glaciers and dotted with low blueberry bushes, scrubby pitch pine and tiny alpine-like plants. From the top you look down on the island-studded sweep of Frenchman Bay, across to the Schoodic Peninsula, over the town of Bar Harbor and out to open ocean, and you can see why the park is a destination for photographers and stargazers alike. For part of the year, roughly from early October to early March, it is said to be the first place in the United States to see the sunrise, and sunrise has become a ritual that draws crowds in the dark. A paved summit road climbs almost to the top, and a half-mile loop path, mostly gentle and partly paved, circles the summit with views in every direction. Because of congestion, the park requires a timed vehicle reservation for private cars on the summit road during the main season, sold in advance through the federal reservation site, while hikers, cyclists and guided-tour guests follow different rules.
How to get there
You have four main options. Drive your own car with a timed summit vehicle reservation in season, which you book online ahead of time and which works alongside your park entrance pass. Take a guided tour whose operator holds its own commercial arrangements, such as a trolley or small-group tour, which is the simplest approach if you do not want to chase reservation slots.
Hike up one of the trails, such as the North Ridge or South Ridge routes, which are strenuous but take away the vehicle reservation question. Or ride a bike, which also avoids the vehicle rule. The island shuttle does not run to the summit, so it is not an option. Whatever you choose, check the current rules, because reservation seasons, release times and slot types change from year to year.
When to go
Sunrise is the famous slot, and it is magnificent on a clear morning, but it is also cold, windy and crowded, so bring warm layers, a headlamp and patience. A late-afternoon or sunset visit is often easier to book and gives golden light on the bay. Midday on a clear weekday can be quiet in shoulder season.
Fog can swallow the view completely, so look at the forecast and the park webcam if available, and consider a second attempt rather than judging the mountain from a single misty visit. Overnight, the area has some of the darker skies on the eastern seaboard, and the stargazing in autumn is superb.
What to do at the top
Walk the Cadillac Summit Loop slowly, read the signs about the rare plants and bird migration, and look for the Gift Shop and the vault toilets near the parking area. Stay on the marked paths, because the thin soil and the sensitive plants take years to recover from trampling. Pair the summit with a trip down to Sieur de Monts, the Precipice or the Bubbles, or end with dinner in Bar Harbor, where the lights of the town twinkle below you as you head down.
If you prefer not to arrange anything yourself, a small-group premium tour that includes Cadillac Mountain and the park is the paid way to do it.
What to expect
The experience
A paved summit road and half-mile loop path on a bare granite dome with panoramic views of Frenchman Bay, the Porcupine Islands and the open Atlantic.
Best time
Sunrise for the spectacle, late afternoon for easier bookings and golden light, and clear autumn evenings for stars.
How long
One to two hours at the summit, longer if you hike up.
Tips
Check the current vehicle reservation rules for the summit road, dress for wind and cold, bring a headlamp for sunrise and stay on the marked paths to protect the fragile plants.
Quick picks
- Best for
- The signature view of Acadia and an unforgettable sunrise.
- Families
- Fine for children; the loop path is short, but the wind and cold can surprise little ones.
- Couples
- One of the best sunrise or sunset spots in New England.
- Pair with
- A walk to the Bubbles or a hearty lunch at Jordan Pond House.
- Time needed
- One to two hours, plus travel time.
Good questions
How tall is Cadillac Mountain?+
The summit is 1,530 feet above sea level, the highest point on the U.S. Atlantic coast.
Do I need a reservation to drive up?+
During the main season the park requires a timed vehicle reservation for private vehicles on the summit road, sold in advance online. Tour guests, hikers and cyclists follow different rules, so check the current park guidance.
Can I take the island shuttle to the summit?+
No. The free shuttle buses do not serve the Cadillac Mountain summit.
Is sunrise on Cadillac Mountain worth it?+
On a clear morning it is superb, but it is cold, windy and busy. Bring warm clothes and a light, and consider sunset if you want easier logistics.
Is there a walking path at the top?+
Yes. A roughly half-mile summit loop circles the dome with views in all directions and is mostly gentle, though uneven in places.