Natural Resource Condition Assessments for Acadia National Park

A calm lake reflects clouds in a blue sky. A tree with orange leaves sits on the shoreline, and thick, mostly coniferous trees line the shoreline extending to a background of mountains.
Autumn colors at Eagle Lake, the largest freshwater lake within Acadia National Park.

NPS photo

One of the top 10 most-visited national parks in the United States, Acadia National Park protects a cluster of islands and a portion of mainland on the Atlantic Coastline of Maine. Comprised of nearly 50,000 acres, the park is home to the tallest mountains on the eastern seaboard and is rich in wildlife and culture. Visitors enjoy 33 miles of historic motor roads, 158 miles of hiking trails, and 45 miles of carriage roads as they explore within the park.

NRCA Publications

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    For other reports and natural resource datasets visit the NPS Data Store.

    Source: NPS DataStore Collection 7765 (results presented are a subset). To search for additional information, visit the NPS DataStore.

    Last updated: November 25, 2025

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