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Acadia NP, Maine
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Thunder Hole gets its name from the thunderous sound created when waves crash into a small inlet, forcing air and water out with a booming noise.
The best time to hear the full effect of Thunder Hole is about two hours before high tide when the waves are at their strongest.
Thunder Hole was naturally carved by the relentless action of the ocean waves eroding the granite over thousands of years.
Visitors are advised to stay behind the safety railings, especially during high tide and stormy weather, due to the powerful waves.
Thunder Hole is located within Acadia National Park, one of the most visited national parks in the United States.
Thunder Hole is accessible via a short walk from a nearby parking area, with pathways and viewing platforms for visitors.
The rocks at Thunder Hole are primarily composed of granite, a durable and common rock type in the region.
The area around Thunder Hole is home to various seabirds and marine life, making it a great spot for nature enthusiasts.
