Thunder Hole Is Maine’s Only Sonic Inlet, And It’s Worth A Stop

The name “Thunder Hole” might cause some raised eyebrows, but all Mainers know about this small-but-powerful inlet in Acadia National Park. Located along Ocean Path between Sand Beach and Otter Cliff, this unique formation of rocks causes a huge boom when waves hit it at the right speed.

Thunder Hole is a classic stop in Maine’s beautiful Acadia National Park. Just be prepared to get a little wet!

Address: Thunder Hole, Bar Harbor, ME 04609, USA