Cadillac Mountain

The Highest Point on the North Atlantic Coast

Cadillac Mountain stands 1,530 feet above sea level, making it the highest point on the North Atlantic seaboard. For a stretch of the year (roughly early October through early March), the summit catches the first rays of sunlight to hit the United States. That fact alone draws thousands of visitors every season, but the mountain has a lot more going on than its sunrise reputation suggests.

The summit panorama covers Frenchman Bay, the Porcupine Islands, Bar Harbor spread out below, and the full sweep of Acadia’s mountains and lakes to the south and west. On sharp autumn mornings, you can pick out Katahdin on the horizon, 100 miles north. A paved summit loop trail (about a third of a mile) circles the top, lined with interpretive signs explaining the geology and ecology. There are restrooms, a small gift shop, and on peak summer days, more people than you would expect at 1,530 feet.

Can You Drive to the Top?

Yes. A 3.5-mile paved road winds from the Park Loop Road to the summit parking area. It is the easiest way up and the reason the summit can feel crowded on summer afternoons. But from May through October, you need a vehicle reservation to use the summit road, and those fill up fast.

Vehicle Reservation Tips

There are two reservation windows: sunrise (available before the road normally opens) and daytime. Sunrise reservations are the ones that sell out immediately. Daytime slots are easier to get, especially midweek. The reservation costs $6 on top of the $35 park entrance fee.

If you cannot get a reservation, you have options. The Island Explorer shuttle bus runs to the summit during the season, and no reservation is needed. Or you can hike up. None of the hiking trails require a vehicle reservation, and starting on foot before dawn means you will likely have the trail to yourself.

Sunset from Cadillac

Sunset from Cadillac is genuinely underrated. The crowds thin out dramatically by late afternoon, and the light over Eagle Lake and the Jordan Pond area is worth the trip on its own. In summer, sunset is late enough that you can have dinner in Bar Harbor and still make it up for the show.

The South Ridge Trail: The Classic Route

The South Ridge Trail is the best way to experience Cadillac on foot, and it ranks among the finest ridge walks in Maine. Starting from the trailhead on Route 3 near Blackwoods Campground, the path covers 3.5 miles one way (7 miles round trip) with about 1,350 feet of elevation gain. The grade is steady and forgiving, making it accessible to anyone comfortable with a half-day outing.

The lower mile passes through mixed forest of spruce, birch, and pine before emerging onto open granite ledges. This is where the hike transforms. From the treeline up, you are walking exposed ridge for over a mile, with the views expanding at every turn. Wild blueberry bushes crowd the trail edges (ripe in late July and August, and you will see people picking them). Wind-sculpted pitch pines cling to cracks in pink granite dotted with glacial erratics. The Featherbed, a small boggy pond on the ridge, appears about two-thirds of the way up and is a good rest stop.

The final push follows cairns across broad, open ledges. On clear mornings, you can spot hikers on Dorr Mountain and the Beehive to the east. Eagle Lake sits in the valley below to your west, its surface catching whatever light is available.

Trail Comparison

South Ridge is the classic for good reason. The extended open ridge walk is the highlight, and the steady grade makes it accessible. Start here if it is your first time on Cadillac.

North Ridge is shorter and steeper, starting from the Park Loop Road near the Kebo Brook area. It gets you to the top faster but skips the ridge walk. Good for a quicker trip or pairing with a descent via the South Ridge.

Gorge Path approaches from the west through a dramatic glacial valley and connects to the summit via the A. Murray Young Path. It is the least traveled of the three and the most rugged. The gorge itself is impressive, with steep walls and moss-covered boulders. For a full-day adventure, hike up the Gorge Path and descend the South Ridge, or vice versa.

When to Go

Sunrise timing matters. The “first sunrise” designation applies from roughly early October through early March. In summer, other points along the coast (like Quoddy Head in Lubec) technically catch the light first. But the Cadillac sunrise is worth it year-round for the setting, not just the bragging rights. Check the park’s sunrise calculator or a site like timeanddate.com for exact times.

September and early October bring the best hiking conditions: cooler air, fewer people, and the blueberry bushes on the ridge turning a deep red that contrasts with the grey-pink granite. The hardwood forests below light up in orange and gold.

Winter hiking is possible on the South Ridge Trail, though the summit road closes. Expect ice, wind, and limited daylight. Microspikes or crampons are necessary from December through March.

Sunrise Hike Packing List

Arrive at the South Ridge trailhead at least 90 minutes before the posted sunrise time. That gives you a comfortable pace up the ridge without rushing. The trail is well-marked with cairns and blue blazes, and your headlamp will pick them up easily even in full darkness.

Safety and Practical Tips

The South Ridge Trail’s open ledges are exposed to weather from every direction. Summer thunderstorms can build fast, and there is nowhere to shelter on the ridge. If you see dark clouds stacking to the west, turn around. Lightning on exposed granite is serious.

Bring more water than you think you need. There are no water sources on the trail. Two liters per person minimum for the full round trip, more on hot days.

Dogs are allowed on leash. The trail is manageable for athletic dogs, though the granite can be rough on pads in summer heat. Avoid midday if you are bringing your dog.

Parking for the South Ridge trailhead is a small lot on Route 3 near the entrance to Blackwoods Campground. It fills early on summer weekends. The North Ridge trailhead has limited roadside parking along the Park Loop Road. The summit parking area requires a vehicle reservation during peak season.

The summit restrooms and gift shop are open during warmer months when the road is accessible. Pack out everything you bring in, and stay on the marked trail to protect the fragile alpine vegetation.

Getting There

From Bar Harbor, the South Ridge trailhead is about a 10-minute drive south on Route 3. Look for the small parking area on the left, just before the Blackwoods Campground entrance. The trailhead is marked with a wooden sign on the east side of the road.

The park entrance fee is $35 per vehicle (good for seven days) or free with an America the Beautiful annual pass. Cell service is good throughout the hike and on the summit.

If you are visiting without a car, the Island Explorer shuttle runs from Bar Harbor to various points on the Park Loop Road. Check their route map for the closest stop to your chosen trailhead.

FAQ

For more hikes in the park, see our guide to the best hikes in Acadia National Park.