One of the most iconic attractions on the Park Loop Road in Acadia National Park is Thunder Hole.
A natural cleft in the rock face Thunder Hole can be dramatic during high surf as waves crash into the cliff with a thunderous roar.
![](http://wanderlustfamilyadventure.com/wp-content/uploads/2019/09/thunder-hole-750x450.jpg)
Not our name, but our passion
One of the most iconic attractions on the Park Loop Road in Acadia National Park is Thunder Hole.
A natural cleft in the rock face Thunder Hole can be dramatic during high surf as waves crash into the cliff with a thunderous roar.