• Views from Penobscot Mountain summit.

    Acadia

    National Park Maine

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  • Temporary Road Closure

    A section of the Western Mtn Road in Southwest Harbor will be closed until 8/18 while park crews replace a culvert with a new fish-friendly open bottom culvert. For more information and a map visit our Getting Around Page. More »

  • Trail Closure: Gorge Path weekdays, 7 am - 4 pm

    The section of the Gorge Path between the Hemlock Path intersection and the A. Murray Young Trail intersection is closed until rehabilitation work is completed. The closure will be in effect Mondays through Fridays only, from 7 am to 4 pm.

Nature & Science

Owl stares out from evergreen tree

Owl stares out from evergreen tree.

NPS

Animals
The birds, the bees, and creatures of the seas.

 
Bright green moss on gray granite

Bright green moss on gray granite.

NPs

Plants
The green, the brown, and the rust.

 
Fire management staff control a prescribed fire.

Fire crew at a prescribed burn.

NPS

Environmental Factors
Earth, wind, fire, and sea.

 
Acadia National Park stream

Stream tumbles over rocks.

NPS

Natural Features and Ecosystems
Geology, life cycles, and more.

 
lake_coring

Researchers collect lake sediment cores through the ice.

NPS

Research
Conducting research in Acadia National Park.

 
Volunteers look for butterflies and moths along the shores of the Schoodic Peninsula during the 2011 Bioblitz.
Volunteers look for butterflies and moths along the shores of the Schoodic Peninsula during the 2011 Bioblitz.
NPS/J Smith

Did You Know?

The wide carriage road is lined by the spring foliage of birch trees.

Acadia National Park's carriage road system, built by John D. Rockefeller Jr., has been called “the finest example of broken stone roads designed for horse-drawn vehicles still extant in America.” Today, you can hike or bike 45 miles of these scenic carriage roads in the park.