• Eagle Lake covered in snow nearing dusk

    Acadia

    National Park Maine

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  • Carriage Roads Closed

    All park carriage roads are closed until further notice to prevent damage during the spring thaw. For more information: (207) 288-3338

  • Trail Closures: Peregrine Falcon Nesting

    Precipice Cliff and Valley Cove areas are closed to all public entry until further notice for peregrine falcon nesting season. More »

  • Blackwoods Campground is open

    Blackwoods Campground is open and is sites are available by self-registration at the campground. More »

  • 2014 Season Openings

    Park Loop Rd & Cadillac Mountain Rd are currently closed due to icy conditions. Hulls Cove Visitor Center is open. Call (207) 288-3338 or follow us on Facebook (www.facebook.com/AcadiaNPS) for more information More »

Field Guide to Algae

As you explore the shoreline in the park, you will often see algae in the shallow waters near the shore or washed up on the rocks. This field guide—developed by Sarah Hall and Joseph Stachelek for their senior capstone project at the University of Maine, under the guidance of Professor Susan Brawley—includes some of the common species you might see. The field guide is divided into four groups:

Remember to step carefully near the water's edge: rocks are slippery, and waves can be dangerous.

Did You Know?

A girl stands along the stone steps of the Kurt Diederich Path in this historic image taken around 1920.

Acadia National Park contains more than 120 miles of historic hiking trails. Many of these trails were established by local village improvement societies in the late 1800s and early 1900s. Today many of the historic features, such as stonework, are still visible.