Natural Features & Ecosystems

Forested area with green trees and moss


Acadia is blanketed with forests and woodlands that are situated in the transition zone of two ecoregions.

A mountain summit at sunset with a view of the ocean


Acadia's landscape tells the tale of a time when fire and ice covered these lands.

Two mountains and a body of water surrounded by a forest


Acadia is home to more than 20 mountains that rise from the sea and comprise much of Mount Desert Island.

Waves crash against rocky coastline at sunset

Coasts and Shorelines

Acadia protects nearly 64 miles of coastline on Mount Desert Island, Schoodic Peninsula, Isle au Haut, and other islands.

Detailed view of a tidepool and rock kelp

Intertidal and Subtidal Zones

With over forty miles of rocky shoreline, Acadia possesses a tremendously rich intertidal flora and fauna.

A lake surrounded by trees with an overcast sky

Lakes and Ponds

Lakes and ponds add shimmering contrast to Acadia's forested and rocky landscape.

Milky way over a lake with silhouetted trees and mountains

Acadia's Night Skies

Acadia National Park possesses remarkably dark skies for its proximity to Portland, Boston, and New York.

Green foliage near a stream with a meadow and mountain in the background

Wetlands, Marshes and Swamps

All classes of wetlands (swamps, marshes, and bogs) are found within the park.

Last updated: August 4, 2021

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Mailing Address:

PO Box 177
Bar Harbor , ME 04609


207 288-3338

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