Natural Seawall

Historical marker location:

Southwest Harbor, Maine

( Marker can be reached from Seawall Road (Maine Route 102A), on the left when traveling south.)

Maine is home to some unique geographical features: Maine is home to a number of unique geographical features, including Acadia National Park, which has the tallest mountain on the U.S. Atlantic coast, and the "Old Sow" whirlpool, which is one of the largest tidal whirlpools in the world. Maine also has over 5,000 miles of coastline and 6,000 lakes and ponds.