Plan Your Visit

Visitor Checklist graphic with photo featuring family of hikers

Photo courtesy of visitor Jessica Pearce Rotondi



As you make plans to visit during the May to October 2021 season, expect to encounter a few changes –

  • The fare-free Island Explorer bus system resumes service with limited routes and reduced passenger capacity.
  • You will need to make an online vehicle reservation to drive and park on the Cadillac Summit Road during sunrise and daylight hours.
  • An advance, online reservation is required to enter park campgrounds. There is no same-day availability for sites.
  • Visitor access to the historic Eagle Lake Carriage Road will be reduced in stages during a rehabilitation and preservation construction project.

Top 10 “Need to Know” Facts for 2021 Visitor Season

  1. Consistent with CDC recommendations, people who are not fully vaccinated must continue to wear masks indoors and in crowded outdoor spaces. All people, regardless of vaccination status, are required to wear a mask on all forms of public transportation.
  2. The fare-free Island Explorer is expected to resume service this summer, but with more limited routes, and much fewer riders allowed on each bus. Masks will be required on-board, as well as queuing areas.
  3. Entrance Pass Required. From May through October, all visitors are required to have a park entrance pass. All vehicles must display a park entrance pass clearly visible through the windshield. Online sales are available anytime at Entrance passes are sold in-person at Hulls Cove Visitor Center, at an entrance station located one mile (1.6 km) north of Sand Beach, and at about a dozen other locations listed at
  4. A Vehicle Reservation is required to drive up the Cadillac Summit Road during sunrise and daylight hours for the 2021 summer season. Reservations are not required for other areas of the park and are not required for visitors who enter the areas by foot or bike. Vehicle reservations are purchased in advance online at
  5. Download the National Park App and save Acadia for offline use. Once you're in the park, you can use the app to see your location on the map, discover new places, and learn more about the park.
  6. Hikers, bikers, and horseback riders will have reduced access to Eagle Lake Carriage Road this summer during a project to rehabilitate the carriage road while preserving its historic character. The entire loop is expected to close initially, and individual segments around the lake will then reopen as they become available. Watch for closure updates @
  7. Only Class-1 e-Bikes are allowed on park Carriage Roads. These e-Bikes provide assistance only while the rider is pedaling, and at speeds less than 20 mph. Class 2 & 3 e-Bikes are prohibited. Please ride safely. Cyclists must yield to all other carriage road users, including horses and pedestrians. Stay to the right and give a clear warning before passing on the left.
  8. No camping, campfires, or overnight parking are permitted outside of designated campgrounds. An advance, online reservation is required to enter park campgrounds. There is no same-day availability for sites. Reservations are available at
  9. While Acadia is known to be a Dog-Friendly National Park, all pets must always be kept on a leash no longer than six feet. Collect and dispose of dog waste properly in designated trash receptacles. Dogs are prohibited from six cliff ladder trails, public beaches (May 15-Oct 15), public buildings, and ranger-led programs.
  10. Respect Wildlife. Please don't feed, approach, or provoke any wild animals in the park, especially snowy owls, nesting loons and turtles, and baby seals on beaches. Observe speed limits and watch for creatures crossing roadways
Informational signs in front of a staircase leading up through woods

Basic Information

Start here for essential park information, from directions to entrance fees to hours of operation.

Rock cairn on a mountain summit

Places to Go

Explore various destinations and learn about highlights, visitor services, and ways to get there.

Park ranger talks with a visitor on a boat program.

Things To Do

Find out about ranger-guided tours and boat cruises, hikes, evening programs, and outdoor activities you can do on your own.

Bus and cars driving over a stone bridge

Directions & Transportation

Learn about public transportation, driving directions, winter road access, and all things transportation at Acadia.

Visitor Center structure by a parking lot curb

Accessibility Options

Acadia strives to make facilities as accessible as possible. Find information for accessibility in specific areas across the park.

Vintage camper parked in gravel site under a canopy of trees


From glamping to pitching a tent, find out where to camp overnight at Acadia.

A park ranger speaks with visitors through a car window

Park Rules & Safety Advisories

Are visitors allowed to harvest mushrooms, or fly a drone in Acadia? Check out highlights of the park's important Rules and Regulations.

Dog on leash on carriage roads.

Visiting with Your Dog

Do you love to travel with your furry, four-legged, family member? This information is for you.

Last updated: July 7, 2021

Contact the Park

Mailing Address:

PO Box 177
Bar Harbor , ME 04609


207 288-3338

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