An hour or two before high tide, waves breaking against a pocket in the rocks trap air and make a thundering boom sometimes audible from up to a mile away. Thunder Hole is one of Acadia's most popular attractions and parking may be difficult in the summer; it is recommended to use the Island Explorer Park Loop bus when possible. Visitors on the lowest viewing tier may get splashed, and for safety reasons it is imperative that all visitors stay within the designated areas.

More information on the park loop bus schedule: exploreacadia.com

Susanne

June 1, 2018

Hiking

Two hours before the flood, the thundering of the water into the rocks is best heard.

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Travelsanne ♡

September 10, 2022

Hiking

Here the Atlantic crashes so loudly against the rock walls that it sounds like thunder.

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Best Hikes to Thunder Hole

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1. The Beehive to Gorham Mountain via Ocean Path Loop — Acadia National Park

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2. Gorham Mountain Loop from Sand Beach — Acadia National Park

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3. Ocean Path — Acadia National Park

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Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.

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Weather

Sunday 25 January

-11°C

-18°C

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Location: Hancock County, Maine, United States

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Thunder Hole

1. The Beehive to Gorham Mountain via Ocean Path Loop — Acadia National Park

2. Gorham Mountain Loop from Sand Beach — Acadia National Park

3. Ocean Path — Acadia National Park

Other Popular Places to Check Out

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