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Explore Loop Acadia, Lake Loop, and more!

The 15 Best American Road Trips to See Fall Leaves

ACADIA NATIONAL PARK. Thunder Hole is a narrow channel of solid granite that beckons visitors with thunderous booms. When waves come in strong & quick, air gets trapped in a cavern that is higher than the inlet. When enough force pushes the waves into the cavern, the air escapes with a thunderous reverberation.

Most frightening hike I have ever been on, also the most breathtaking! Acadia National Park, Precipice Trail