Thunder Hole
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Chasm surrounded by water and gardens.
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  • TravelingBum10
    United States6,235 contributions
    4.0 of 5 bubbles
    Beautiful views
    We were able to find parking in the small parking lot across from the entrance to Thunder Hole. You can also park on the side of the road. It’s a pretty neat area. We went in the morning which is low tide. I imagine in the evening you get a better feel of the Thunder sound from the clashing waves.
    Visited August 2023
    Travelled as a couple
    Written 1 August 2023
  • gkasee
    Austin, Texas2 contributions
    5.0 of 5 bubbles
    Great time on Mount Desert Island, Maine
    fantastic trip with perfect weather. Coming from over 30 days straight of 105+ temperatures it was a pleasure and relief to sleep with relatively cool nights and the bedroom windows open. We charted a fishing trip which was awesome as the grandkids caught over 50 fish (most were released but we did manage to keep about a dozen for a fish fry later in the week). Hiking was fantastic and we did a 20 mile bike ride with a lunch break half way through. Bar Harbour was a great little town to walk around with plenty of good restaurants to eat and drink at. Thunder Hole was a little disappointing due to the ocean being pretty calm but the hikes around that area were great. Highly recommended! Accommodations, food and groceries in general were on the pricing side but the trip was enjoyable overall and yes we will do it again.
    Visited July 2023
    Travelled with family
    Written 1 August 2023
  • Travelingmom
    Essex Fells, New Jersey122 contributions
    4.0 of 5 bubbles
    Fun spot to stop at in Acadia
    Fun spot to head to as high tide approaches. We did not hear the “thunder sound” the way it was described but understand that others haven’t heard it either. The kids had fun exploring the rocks and watching the water.
    Visited August 2023
    Travelled with family
    Written 8 August 2023
  • sanju_222323
    New Jersey16,302 contributions
    3.0 of 5 bubbles
    section of the rocky Acadia National Park
    Thunder Hole is a section of the rocky Acadia National Park shoreline where the water crashes against the rocks spouting high in the air. OK, that's what I read/heard but again you have to time it to see/hear the sound. there were bus tours and it seemed the passengers were disappointed, but I did hear a bang sound. This is a beautiful stretch of coastline. when we went there- that tipping point- it was closed. Parking: There is a parking lot across the street.
    Visited October 2022
    Travelled with friends
    Written 2 September 2023
  • aehall7
    Columbus, Ohio236 contributions
    4.0 of 5 bubbles
    Worth visiting
    We were there on a weekday morning and did hear a form of what sounded like thunder, although we can see how it would be stronger at high tide. Glad we saw and heard it; there were several people there when we arrived and when we left, but not extremely busy. Afterward we started up the Otter Path.
    Visited September 2023
    Travelled with friends
    Written 22 September 2023
  • fiamma11
    Tysons Corner, Virginia5,713 contributions
    5.0 of 5 bubbles
    We loved it
    The swooshing of the water rushing in and the thunderous noise made for a lot of fun for our entire family. Even a few splashes from time to time upon us. Geologic formations combined with water are very fun for me. The youngsters seemed to be having a fabulous time as well.
    Visited April 2023
    Travelled with family
    Written 23 September 2023
  • rep1943
    Waynesville, North Carolina4 contributions
    4.0 of 5 bubbles
    Nice Time in Bar Harbor Area
    Enjoyed the scenery and the lobster! Took some nice tours - bus tour of Acadia, culinary walking tour, LuLu lobster boat, and Acadia carriages in Acadia Park. Enjoyed them all and would recommend them. Only drawback is how crowded this part of Maine is.
    Visited September 2023
    Travelled solo
    Written 28 October 2023
  • S4136XSdavidb
    Texas459 contributions
    5.0 of 5 bubbles
    A must-do experience
    The small parking lot will probably be filled as this is a must-do when at Acadia Natl Park. The trail down leads to a rocky outcrop where the ocean has carved a roughly 8 foot wide passage into a sub-surface cave. When the water hits the back of the cave the resulting noise sounds like thunder or cannon fire. May take several minutes to hear as volume and frequency varies on tidal conditions. Would go again.
    Visited October 2023
    Travelled with friends
    Written 6 November 2023
  • drwatson32
    Shawnee, Oklahoma1,499 contributions
    4.0 of 5 bubbles
    2 hours before high tide
    We messed up! Learn from us! We visited in the morning and didn't think the splash was high enough, so we made a plan to go back at high tide. At that point, the water is too high to make a big splash! If the sea was more rough, it might have worked. I think the ideal time to visit is about two hours before high tide. The park rangers on duty should be able to tell you when that is on the day you visit.
    Visited May 2024
    Travelled with family
    Written 30 May 2024
  • RICART75
    Peru, Indiana2,298 contributions
    5.0 of 5 bubbles
    Fun to experience...
    Being early May, we were able to park relatively close to this Acadia highlight; and it was fairly uncrowded and easy to navigate. Though we were not there at an optimal time, we did hear several good "booms", and enjoyed the spectical of the waves against the rocks. Being one of the "musts" of Acadia, it was fun to experience.
    Visited May 2024
    Travelled as a couple
    Written 17 June 2024
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4.0
4.0 of 5 bubbles1,103 reviews
Excellent
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333
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236
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35
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6

DLP
New Jersey3,718 contributions
4.0 of 5 bubbles
June 2021 • Family
We were excited to hear the clasps of thunder. We arrived an hour before high tide which is supposedly the best time to hear the roar of the thunderous waves. The Park Ranger warned that it does not always happen and on this particular day it did not. One could see how the waves could create the sound of thunder and why it would need to be high tide. Not hearing the thunderous booms in no way detracted from the beauty of this overlook sight.
Written 24 July 2021
This review is the subjective opinion of a Tripadvisor member and not of Tripadvisor LLC. Tripadvisor performs checks on reviews as part of our industry-leading trust & safety standards. Read our transparency report to learn more.

DavidAdamsTX
Plano, TX27 contributions
5.0 of 5 bubbles
June 2022
We traveled along the park loop and visited Thunder Hole at the right tide height. We saw the waves splash in the tidal hole with an exciting explosion. Definitely worth the stop.
Written 27 June 2022
This review is the subjective opinion of a Tripadvisor member and not of Tripadvisor LLC. Tripadvisor performs checks on reviews as part of our industry-leading trust & safety standards. Read our transparency report to learn more.

Ann W
Bethlehem, PA467 contributions
5.0 of 5 bubbles
Sept 2021
We stopped at Thunder Hole twice on our Acadia National Park trip.

There is a parking lot across the street and they sometimes allow parking on the street. There is a small gift shop in the parking lot. When we visited the first time the shop was open, but only allowing a few people inside at a time. We did not enter.

We did cross the street and walk down to the Thunder Hole viewing platform. At this time it was quite crowded and the tide was low so it wasn't putting on much of a show.

The second time we visited Thunder Hole the tide was higher, the seas were very choppy and the crowd was small. This we time we saw a nice show. Lots of spray, lots of thunder and lots of oohs and aahs. It was actually quite mesmerizing. We could have stood there all day.

We were really glad we went back the second time.
Written 28 October 2021
This review is the subjective opinion of a Tripadvisor member and not of Tripadvisor LLC. Tripadvisor performs checks on reviews as part of our industry-leading trust & safety standards. Read our transparency report to learn more.

Wilson Miller
San Diego, CA20 contributions
2.0 of 5 bubbles
July 2022
My family has been visited Acadia NP for almost twenty years, and it never ceases to amaze us how many tourists get lured into visiting Thunder Hole. There's nothing wrong with it per se, but compared to the wonders that Acadia has to offer, it's crowded and unimpressive. Otter Cliffs, the Bass Harbor Lighthouse, and Ship Harbor are all better options for rock scrambling and seeing sections of coast.
Written 24 September 2022
This review is the subjective opinion of a Tripadvisor member and not of Tripadvisor LLC. Tripadvisor performs checks on reviews as part of our industry-leading trust & safety standards. Read our transparency report to learn more.

JenniferandAlan
Easton, PA867 contributions
5.0 of 5 bubbles
May 2021
My husband and I visited Acadia in early May off season to avoid the summer crowds and it was the right decision. We were able to visit Thunder Hole a couple of times during our stay. Unfortunately for us the tide and surf did not align so we heard no thunder but we did get splashed. AND we had no trouble parking. In fact we nearly had the place to ourselves and could sit on the rocks and listen to the waves. What makes the thunder is the ocean entering the crack or chasm in the rocks with force and entering the small cave forcing out the air and causing the thunder and the spray. We've been coming here for years and never heard the thunder but it is still one of my favorite places in the park--even more so off season :) Don't miss this. Enjoy!
Written 24 May 2021
This review is the subjective opinion of a Tripadvisor member and not of Tripadvisor LLC. Tripadvisor performs checks on reviews as part of our industry-leading trust & safety standards. Read our transparency report to learn more.

michellehouse
Evansville, IN284 contributions
3.0 of 5 bubbles
July 2022
so this was our least favorite part of Acadia. We got there at high tide but never really heard the thunder sound. The weather was spotty showers the day we were in the park so crowds were light (per the ranger we talked to) but this was still the busiest place we stopped. It was neat to look at but if you can't find easy parking I probably wouldn't bother.
Written 3 August 2022
This review is the subjective opinion of a Tripadvisor member and not of Tripadvisor LLC. Tripadvisor performs checks on reviews as part of our industry-leading trust & safety standards. Read our transparency report to learn more.

Rooindie
Sioux Falls, SD911 contributions
4.0 of 5 bubbles
Sept 2021
So I don't know what happened. I read the website about when to go, I looked up the times of the tide so we could be there at the right time...and...nothing. It did not even remotely approach thunder. That being said, it is still a very scenic and beautiful spot, but it is also full of the 9 million other tourists that came for the thunder, so it's not exactly peaceful. Parking is a bit of a challenge, so if you've made it this far, make sure to walk up to Otter Cliffs, too. We did a loop hike up over Gorham Mountain using the Ocean Path to complete the loop. Thunder Hole was where we started.
Written 3 October 2021
This review is the subjective opinion of a Tripadvisor member and not of Tripadvisor LLC. Tripadvisor performs checks on reviews as part of our industry-leading trust & safety standards. Read our transparency report to learn more.

Gail G
8 contributions
5.0 of 5 bubbles
Aug 2019
When standing on the cliffs overlooking the feature named Thunder Hole, and taking in the scenery, you will notice that there is lots of exposed rock, that the rock looks pretty much the same wherever you look; that the rock has lots of cracks; that very little soil overlies the rock; that tree roots are sunk into cracks in the that rock; small pocket beaches; and that deep Atlantic Ocean waters come right to this rocky coast. The rock here is largely granitic in composition and texture -- rock that represents the exposed roots of an ancient mountain range. If these rocks are the roots of an ancient mountain range, what happened to the mountains? Geologic processes like wind, running water, wave action, and glaciers eroded those mountains and exposed the "root rocks". In recent geologic times, thick (at least a mile thick at times) glaciers of moving ice scoured away the mountains, creating the rounded rocky surface of hills and valleys we see today. As those glaciers melted, sea level rose, and waves began crashing against the rocky shore, modifying and enlarging exposed cracks in the rock, i.e., Thunder Hole. The bigger the waves that are squeezed into Thunder Hole, the bigger the splash. Remain on the marked trail, and if the trail is closed, don't venture onto that trail or close to the cliff edge, as "slippery when wet" is no joke.
Written 29 January 2020
This review is the subjective opinion of a Tripadvisor member and not of Tripadvisor LLC. Tripadvisor performs checks on reviews as part of our industry-leading trust & safety standards. Read our transparency report to learn more.

leaholden
207 contributions
5.0 of 5 bubbles
Oct 2021
This was such a cool experience, but don't expect it to be quick. We sat there for a while waiting for the ocean to cooperate. It was well worth it, and while it was "spectacular" according to the local it was still pretty amazing. They say the time to go is if there's a storm out to sea.
Written 17 October 2021
This review is the subjective opinion of a Tripadvisor member and not of Tripadvisor LLC. Tripadvisor performs checks on reviews as part of our industry-leading trust & safety standards. Read our transparency report to learn more.

Cac1234
Germantown, NY2,067 contributions
4.0 of 5 bubbles
June 2022
Thunder Hole is one of the first stops along Park Loop Road. It is a very popular spot and is best if visited early in the morning. Of course the waves crashing are best at high tide so if that is in the morning it is a bonus. Parking is across the street and there is a ramp near the viewing area for those who cannot walk up or down steps so they may get a closer look.
Written 20 June 2022
This review is the subjective opinion of a Tripadvisor member and not of Tripadvisor LLC. Tripadvisor performs checks on reviews as part of our industry-leading trust & safety standards. Read our transparency report to learn more.

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Thunder Hole - All You MUST Know Before You Go (2024)

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