• Views from Penobscot Mountain summit.


    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 »

Ranger Minute - In-Depth

Ranger Matt near Monument Cove.

Ranger Matt explains the ins and outs of Monument Cove and the Acadia Coast.

Creating Acadia's Coastline
Videocast - Windows Media (8.07 MB)
Duration - 4 minutes

Join Ranger Matt on his journey from the shore to the mountainside as he explains the creation of Acadia's dynamic coast.

Ranger Alexa discusses beaver adaptations.

Amazing Beaver Adaptations
Videocast - Windows (6,734 KB) or Quicktime (2,569 KB)
Duration - 2 minutes 10 seconds

Discover the beaver's unique physical adaptations for an aquatic lifestyle. Live beaver video by Ranger Lora.


A whelk and a mussel feature in Ranger Eleanor's story.

Intertidal Battlefield
Videocast - Windows Media (6,943 KB) or Quicktime (9,184 KB)
Duration - 2 minutes 14 seconds

The intertidal zone is a dangerous place for the creatures that struggle to survive there.


Ranger Lora explains why loons need their space.

Looning Experience
Videocast - Windows Media (6,396 KB) or Quicktime (2,398 KB)
Duration - 2 minutes 4 seconds

Loons are some of the most captivating wild animals that visitors to Acadia encounter. Video by Ranger Lora.

ranger and eagle display

Ranger John shows off a bald eagle display.

Bald Eagles
Videocast - Windows Media (6,132 KB) or Quicktime (2,280 KB)
Duration - 2 minutes

Learn about the significance of the bald eagle's recovery.

Ranger on granite mountaintop

Ranger Charlotte gives a closer look at granite.

Geology of Cadillac Mountain
Videocast - Windows Media (5,749 KB) or Quicktime (2,171 KB)
Duration - 1 minute 52 seconds

Explore the pink granite landscape of Cadillac Mountain.

Ranger Anne on shore

Ranger Anne introduces tidal action on Acadia's shores.

Tidal Variations
Videocast - Windows Media (6,476 KB) or Quicktime (2,473 KB)
Duration - 2 minutes 6 seconds

Discover the forces that cause high and low tides in the ocean.

Ranger Neidig points out a red squirrel midden.

Ranger Marc points out a red squirrel midden.

Signs of Wildlife
Videocast - Windows Media (5,321 KB)
Duration - 1 minute 56 seconds

Park Ranger Marc reminds us to look not only for wildlife but also the signs they leave behind.

US at night.

Satellite image of United States at night

Acadia's Night Sky
Audiocast - MP3 Audio (4,112 KB)
Duration - 4 minutes 23 seconds

Visiting Park Scientist Chad Moore stands atop Cadillac to survey the other half of the park—the night. Night sky images from Acadia and other parks can be found at the National Park Service Natural Lightscapes website.

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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.