Thunder Hole — Local services in Bar Harbor

Beautiful 🥰❤️

When the right size wave rolls into the naturally formed inlet, a deep thunderous sound emanates. The cause is a small cavern formed low, just beneath the surface of the water. When the wave pulls back just before lunging forward, it dips the water just below the ceiling of the cavern allowing air to enter. When the wave arrives full force, it collides with the air, forcing it out, resulting in a sound like distant thunder. Water may splash into the air as high as 40 feet with a roar!

This is a beautiful spot to view some of the most striking features within Acadia. Northward is Sand Beach and the Great Head to the right. Southward is the majestic 110 foot high Otter Cliff, one of the highest headlands north of Rio de Janeiro.

Thunder Hole is just past Sand Beach while traveling south on the Park Loop Road. The Island Explorer Shuttle Bus stops here about every half hour during normal seasonal daytime hours.

Thunder Hole GPS: Latitude 44.321011; Longitude -68.189330

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Thunder Hole in Acadia National Park is a natural wonder that leaves a lasting impression. The experience of witnessing the powerful ocean waves crashing against the rocky coastline, creating thunderous sounds and dramatic splashes, is truly awe-inspiring. The viewing area is well-maintained and offers a safe yet thrilling vantage point to observe this incredible phenomenon. Visitors can feel the raw energy of nature as the waves rush into the narrow inlet, producing booming echoes that resonate throughout the surroundings. The accessibility and natural beauty of Thunder Hole make it a must-see destination within Acadia National Park, providing a memorable and exhilarating experience for nature enthusiasts and...

Thunder Hole in Acadia National Park is easy to get to and exhilarating. It can also be exceedingly dangerous. People have died here. It's best to pay attention to the tide tables and prevailing wind direction to get the best experience.

You want to be here about two hours before high tide with the wind coming out of the east so the waves head into the notch in the granite bedrock head on.

When the waves are hitting the rock perfectly, be prepared to get soaked to the bone with cold sea water. Wear great shoes with good gripping rubber soles so you don't slip. Pure rubber soles have the best gripping power on wet surfaces.

Be safe and have a great time. WATCH any...