• Views from Penobscot Mountain summit.

    Acadia

    National Park Maine

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  • 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.

  • Construction updates

    Construction is continuing throughout the park. More information can be found on our Temporary Closures page. More »

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?

A man boards the Island Explorer bus.

Since 1999, propane-powered Island Explorer buses have carried more than two million passengers in Acadia National Park, eliminating more than 685,000 automobile trips and preventing 6,444 tons of greenhouse gases. The fare-free buses are supported by your entrance fees. More...