Steve Bird • April 15, 2026
A Boston To Maine Road Trip (Bar Harbor/Acadia National Park)

A perfect Boston to Maine road trip takes you from New England’s biggest city to its only National Park.


A 280-mile Boston to Maine road trip takes you from Massachusetts, through New Hampshire, to “The Pine Tree State”, Maine. You will travel up the United States’ northeastern shoreline, through quintessential New England towns and landscapes, as you journey towards one of the most popular natural destinations in the nation, Acadia National Park, on this breathtaking road trip.


Boston to Acadia National Park is an incredible journey, and our guide will help you drive it in style.


A Boston To Maine Road Trip (Bar Harbor/Acadia National Park): How Far Is It, How Long Will It Take & What Is The Best Route?

A Boston to Maine road trip can cover just 58 miles (93 kilometres) and take only an hour to drive, if your only goal is reaching the state line. However, a road trip from Boston to Bar Harbor, Maine, covers 280 miles (450 km) and takes 4.5 hours. This option is far more fulfilling and is perhaps the most popular New England road trip, as it takes you to the region’s only National Park, Acadia National Park.


The route for a Boston to Bar Harbor road trip is also incredibly straightforward. To begin, follow the I-95 north from Boston until you reach Bangor, Maine, then use Exit 182A to go east on I-395. Merge onto US Route 1A and take this east to Ellsworth, Maine, where you go south on Maine State Route 3. This will take you the rest of the way to Bar Harbor, Maine, on the outskirts of Acadia National Park.


Best Time For A Boston To Maine Road Trip (Bar Harbor/Acadia National Park)

The best time for a Boston to Bar Harbor road trip is July and August. This period ensures you will enjoy warm, dry weather both along the route and in Acadia National Park. You will also find all the attractions open at this time, an important consideration, given that many parts of New England close during certain seasons.



Another popular time for a road trip from Boston to Bar Harbor, Maine, is during autumn. This is because of the vibrant New England fall foliage and Halloween attractions, both of which are world famous. It is so popular that we even have a dedicated New England fall road trip guide, which may interest anyone planning a road trip from Boston to Acadia National Park during this window who wants to extend the drive.   

Acadia National Park, Maine

Best Place To Stop On A Boston To Maine Road Trip (Bar Harbor/Acadia National Park) – Portland, Maine

With just 4.5 hours of driving on a road trip from Boston to Acadia National Park, many people will aim to complete it in one go. However, those who want to make the most of everything the route has to offer should split it across at least two days. There are numerous great places along the route to break it up, but the best place to make an overnight stop on a Boston to Acadia National Park road trip is Portland, Maine.


Located at roughly the route’s halfway point, Portland is the largest city in Maine, with a population of nearly 70,000. Established in 1786, it is the seventh-oldest continuous settlement in the state and became the first city to be officially incorporated in Maine in 1833. The name Portland signifies its prominence as New England's largest seaport and illustrates the importance of its strategic location.


The Old Port area is particularly renowned for its vibrant nightlife and historic buildings, making it equally suitable for history buffs and party animals. The Arts District then features one of Maine's most comprehensive arrays of museums, galleries, studios, and other cultural establishments. This ensures there is plenty to keep everyone occupied in Portland.


For a complete overview of its activities and attractions, check out our guide to the 15 best sights in Portland, Maine.


Best Hotel To Stay At In Portland, Maine – Portland Harbor Hotel

Situated in the historic Old Port district, the Portland Harbor Hotel is a sophisticated 4-star venue providing stunning views and easy access to the city’s top attractions. The hotel boasts spacious, upscale accommodations, each with amenities like a flat-screen TV, refrigerator, and air conditioning.



Many of the rooms further enhance the experience with additional features such as a sofa, spa bath, and beautiful views. Guests can take advantage of numerous facilities in shared areas, including a bar, restaurant, meeting rooms, and luggage storage. The hotel offers complimentary Wi-Fi and is pet-friendly, with private and valet parking available for an extra fee.

Portland, Maine

Best Things To See On A Boston To Maine Road Trip (Bar Harbor/Acadia National Park)

Salem, Massachusetts

Founded in 1626, Salem, Massachusetts, stands as one of the earliest settlements in the United States. This charming city is an attractive year-round destination, particularly for history enthusiasts. It boasts an impressive array of structures that exhibit the distinctive architectural styles characteristic of New England and early American history, making it an essential first stop on any New England road trip, Boston to Acadia National Park included.


Tourist activity greatly increases during the Halloween season. This heightened interest stems from Salem's infamous history, notably the witch trials that took place from 1692 to 1693, where more than 200 people were accused, and twenty innocents lost their lives due to witchcraft charges.


With its historical sites conveying dark narratives, Halloween festivities, street parties, and ghost tours arranged by Salem Ghosts, which you can read about and enjoy our unique discount on here, the city offers an exceptional experience during the “spooky season”, making it easily one of the best places to visit for Halloween in the United States.


For individuals who wish to explore more about Salem's history and attractions, we provide a dedicated article for further reading.

Salem, Massachusetts

Portsmouth, New Hampshire

Nestled along the picturesque Piscataqua River, Portsmouth is a delightful seaside stop on a Boston to Acadia National Park road trip that seamlessly blends its colonial past with a vibrant contemporary vibe. The downtown area is compact and pedestrian-friendly, featuring brick walkways, unique shops, local boutiques, art galleries, and cosy cafés, all set against a backdrop of well-preserved 18th-century buildings and harbour views.


The Strawbery Banke Museum offers an open-air experience highlighting local life over the centuries, while Prescott Park boasts beautiful gardens and hosts seasonal events, including waterfront performances. Portsmouth also offers convenient coastal activities and classic New England landscapes. A short drive reveals sandy beaches like Hampton Beach, or visitors can venture to the scenic Isles of Shoals for boating and exploration.


Additionally, the city is renowned for its dynamic culinary scene, with numerous acclaimed restaurants specialising in fabulous fresh seafood.


Kennebunk, Maine

Located on the picturesque southern coast of Maine, Kennebunk is the first stop on our Boston to Bar Harbor road trip after arriving in Maine. A quintessential New England town, it is admired for its historical allure, relaxed pace, and tranquil seaside environment. Its charming centre is adorned with tree-lined avenues, colonial-style residences, unique boutiques, and inviting cafés perfect for leisurely walks to break up the driving.


Just a short distance away, Kennebunkport offers a beautiful harbour atmosphere filled with art galleries, seafood eateries, and scenic vistas that resemble postcards and paintings. History buffs will appreciate landmarks such as the Wedding Cake House, renowned as one of the state's most photographed homes due to its intricate Gothic Revival architecture.


Kennebunk truly excels along its coastline, where expansive sandy beaches and rugged shores provide ample chances for relaxation and exploration. Gooch's Beach is ideal for sunbathing and swimming, while nearby coastal roads boast breathtaking views and quaint seaside cottages. For outdoor enthusiasts, opportunities abound for kayaking in tidal rivers or hiking on trails that meander through salt marshes and woodlands.


Augusta, Maine

Augusta, the capital and the twelfth-largest city in Maine, has a population of around 19,000, ranking it the third least populous state capital in the United States, following Montpelier, Vermont, and Pierre, South Dakota. The city boasts important landmarks, including the Maine State House, commonly referred to as the Maine Capitol Building, and the Maine State Museum.


This makes Augusta an ideal stop on a Boston to Maine road trip, as you can see the state’s capitol building in person and learn about its history and culture. Other significant attractions in Augusta include historical sites such as the Blaine House, Fort Western, Lithgow Public Library, Viles Arboretum, and the University of Maine at Augusta.



The Kennebec River Rail Trail also offers stunning views of the city and is perfect for outdoor lovers or those who like to stay active on a road trip.

Maine State Capitol, Augusta

Bangor, Maine

Bangor is recognised as the third-largest city in Maine and is popularly dubbed the "Queen City of the East." It is celebrated for its breathtaking natural scenery and attractions, including the vast 650-acre Bangor City Forest, a host of charming parks, and the second-largest garden cemetery in the United States. After a Boston to Acadia National Park road trip, Bangor is likely the most popular road trip destination in Maine.


Its outdoor features offer a range of recreational activities like camping, hiking, fishing, swimming, sailing, hunting, and winter sports such as skiing and snowmobiling. Additionally, Bangor is the hometown of the famous author Stephen King, whose haunting Victorian mansion can be visited (outside only), along with over 20 locations that inspired his works, making it an ideal stop for those embarking on a New England fall road trip during Halloween.


For a comprehensive guide on Bangor’s activities and attractions, please check out the article we authored about the city.


Bar Harbor, Maine

One of the two major attractions on Mount Desert Island, where our Boston to Bar Harbor, Maine, road trip ends, Bar Harbor was originally a summer retreat for the wealthy, established around the turn of the 20th century. Unfortunately, it experienced a significant fire in 1947 that forever altered its landscape. Following the fire, Bar Harbor evolved into a picturesque coastal town filled with charming shops, bars, restaurants, hotels, and historic lighthouses and buildings.



The local waters are rich in marine biodiversity. Home to puffins, seals, whales, and various seabirds, it is perfect for wildlife enthusiasts. This all makes it an ideal destination for relaxation as your Boston to Acadia National Park road trip draws to a close.

Bar Harbor, Maine

Acadia National Park

Here we reach the end of our road trip. Boston to Acadia National Park is certainly a journey to remember, but the destination is comfortably the main event. Acadia National Park is unique as the only national park in New England. The seventh-most-visited national park in the United States, it draws close to 4 million visitors annually.


Established in 1929 and covering 49,000 acres, it features an impressive variety of wildlife, historical sites, exciting activities, and famous attractions. The most prominent of these, in every way, is Mount Cadillac. The highest point on the East Coast, it is the first place in the U.S. to experience daylight each morning; a sight well worth getting up early to see.


To enhance your visit, we have put together a detailed guide to help you explore Acadia National Park, which is available here.


Final Thoughts On A Perfect Boston To Maine Road Trip (Bar Harbor/Acadia National Park)

As we conclude our Boston to Maine road trip itinerary, you should now know how to plan it perfectly for when you make the drive yourself. This includes when to go, the route to use, how long it takes, where to stay, and what to see along the way. Our Acadia National Park guide will then help you plan your stay when you arrive, while our guide to the best areas in Boston, Massachusetts, will ensure you have an enjoyable time before you set off.



All that’s left is to decide what to take with you and start budgeting and booking everything, so you can look forward to enjoying it all for yourself as soon as possible.

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