FEES
Visiting Acadia National Park requires payment of an entrance fee between May 1 and October 31, no matter how you enter or where you go in the park.

There is a fee for a few additional activities, including camping and some ranger-led programs (most are free). Be sure to visit Operating Hours & Seasons to find out when the campgrounds are open and programs are offered.

Camping (per site per night)
Blackwoods Campground: $20 (May 1-October 31), $10 (April and November), free (December 1-March 31)
Seawall Campground: $14 walk-in, $20 drive-in (when open)

Ranger-Led Programs - All other programs are free.
Beyond the Beach: $10 adults, $5 children 5-12, free under 5
Knowing the Night: $10 adults, $5 children 8-12
Riding the Roads: $15 adults, $10 youth 14-16
Boat Cruises: Prices vary; check with boat operators.

RESERVATIONS
Reservations are recommended for camping at Blackwoods Campground from May 1 to October 31.

From the Saturday of Memorial Day weekend to Labor Day, reservations are required for organized commercial and noncommercial climbing groups wanting to climb at Otter Cliffs. They are not needed for groups of friends climbing together.

Some ranger-led programs require reservations made no more than three days, or three business days, in advance.