# Thunder Hole

> A rock inlet on Acadia’s Park Loop Road where incoming waves trap air and boom, best about two hours before high tide in rough seas. A park entrance pass is n

Source: https://camping-spirit.com/places/b20-thunder-hole/

A rock inlet on Acadia’s Park Loop Road where incoming waves trap air and boom, best about two hours before high tide in rough seas. A park entrance pass is needed; parking is along the one-way road.

- **Nearest town:** Bar Harbor, ME
- **Category:** Nature & parks
- **GPS:** 44.3206, -68.1891

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- [Acadia and Downeast Maine to West Quoddy Head](https://camping-spirit.com/guides/b20-downeast-acadia/)