Crown Jewel of the North Atlantic Coast

Acadia National Park protects the natural beauty of the highest rocky headlands along the Atlantic coastline of the United States, an abundance of habitats, and a rich cultural heritage. At 4 million visits a year, it's one of the top 10 most-visited national parks in the United States. Visitors enjoy 27 miles of historic motor roads, 158 miles of hiking trails, and 45 miles of carriage roads. Read More

Woman Park Ranger sits at picnic table with a large Newfoundland Dog

Top 10 Things To Know About Acadia

Whether this is your first visit to Acadia, or you've been coming with your family for generations, check out this list to learn the latest.

Visitor hikes on a trail past a park boundary and entry pass sign

Entrance Pass Required

Learn about park entry fees and annual passes including how to buy, print, and display your pass on your dashboard before you get here.

Ranger leans out of booth window to scan a device held by a driver of a vehicle.

Vehicle Reservations

Vehicle reservations are required to drive the Cadillac Summit Road May 25-Oct 22.

Photo of a white and red vintage trailer under trees at a campsite.

Camping Takes Planning

There is no same-day availability for any park campsite. An online reservation is required to enter park campgrounds.

Park sign along a snow covered road

Get the Most Out of An Off-Season Visit

There's actually a lot to do and enjoy in Acadia during the off season, from November through April.

Ranger sits next to giant dog on picnic table

Protect Your Pet Privileges

Federal law requires that all pets must be kept on a leash no longer than 6 feet. Owners must collect and dispose of waste in trash cans.

people board an island explorer bus

Plan Your Visit

Details of your visit start to come together here including camping, fees, reservations, operating hours, transportation info and more.

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

Learn more about the many experiences you can have in Acadia, including hiking, biking, water activities, and ranger programs.

a large boulder perches on the edge of a mountain cliff

Learn About the Park

Learn about park history, nature, and management practices.

a researcher stands at a table surrounded by green plants, rocks in the background

Science at the Summit

Learn about the ways climate change is challenging researchers to rethink how they manage Acadia's fragile mountain summits.

B&W Photo of men with shovels along roads

Building Acadia

Learn more about the many hands built the historic trails, roads, carriage roads and bridges of Acadia National Park.

A group of people stand in front of a highway bridge destroyed by a flood.

Environmental Threats

From climate change to invasive species and air pollution, environmental threats are changing Acadia.

Birds flying over a rocky coastline area

Get Involved

Learn how to volunteer, work with us, become an artist in residence, report a wildlife sighting, and other ways to get involved in Acadia.

Ranger holding a small creature from a tide pool speaks with visitor

Frequently Asked Questions

A good place to start for common, and uncommon, visitor questions.

Last updated: September 14, 2022

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Contact Info

Mailing Address:

PO Box 177
Bar Harbor , ME 04609


207 288-3338

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