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Discover
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Natural Monuments
United States
Maine

Washington County

Cobscook Bay Reversing Falls

Discover
Places to see
Natural Monuments
United States
Maine

Washington County

Cobscook Bay Reversing Falls

Highlight • Natural Monument

Cobscook Bay Reversing Falls

Hiking

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Cobscook Bay Reversing Falls, also known as Cobscook Falls, is a unique natural monument located in Pembroke, Maine, at Mahar Point. This dynamic tidal phenomenon separates Dennys Bay from the larger Cobscook Bay, which opens into Passamaquoddy Bay within the Bay of Fundy in the far eastern part of the state. It is one of the few reversing falls along the East Coast of the U.S., characterized by exceptionally powerful ocean tides that create a dramatic display of water movement.

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    Tips

    November 22, 2025

    Hiking

    Allow some time for observation.

    Unspectacular.
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    #1.

    Reversing Falls Trail

    729m

    00:11

    0m

    0m

    Experience the unique tidal phenomenon of Cobscook Bay Reversing Falls on this easy 0.5-mile hike in Pembroke, Maine.

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    Elevation -20 m

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    Sunday 29 March

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    Max wind speed: 20.0 km/h

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    Location: Washington County, Maine, United States

    Frequently Asked Questions

    What does the name "Cobscook" mean?

    The name "Cobscook" is derived from the Maliseet-Passamaquoddy word "kapscook," which accurately translates to "waterfalls" or "boiling tides." This perfectly describes the dynamic and powerful water conditions observed at the Reversing Falls.

    Are the trails at Cobscook Bay Reversing Falls suitable for beginner hikers or families with young children?

    Yes, the trails within Reversing Falls Park and the adjacent Reversing Falls Preserve are generally considered easy. They total approximately 0.6 to 0.7 miles in network. While some sections may have tricky footing, making sturdy shoes advisable, they are suitable for beginner hikers and families looking for a gentle walk to enjoy the natural spectacle and surrounding views.

    Is Cobscook Bay Reversing Falls dog-friendly?

    The Reversing Falls Park and Preserve are generally dog-friendly. Visitors are welcome to bring their dogs, but it's always recommended to keep them on a leash and clean up after them to ensure a pleasant experience for all visitors and to protect the local wildlife.

    What are the parking options at Cobscook Bay Reversing Falls, and does it get crowded?

    Parking is available on-site at Reversing Falls Park. While the intro mentions parking is available, visitor tips suggest that parking can fill up fast, especially during peak seasons or popular viewing times. Arriving earlier in the day is often recommended to secure a spot.

    Is there public transport available to reach Cobscook Bay Reversing Falls?

    Public transport options directly to Cobscook Bay Reversing Falls are limited. The area is best accessed by private vehicle. Visitors typically drive to Mahar Point in Pembroke, Maine, where the park is located.

    What amenities are available near Cobscook Bay Reversing Falls, such as cafes or restaurants?

    Reversing Falls Park itself provides picnic tables for visitors to enjoy. For cafes, restaurants, or other amenities, you would need to venture into nearby towns such as Pembroke or Eastport. Eastport, being an island city, offers more dining and lodging options.

    Can you visit Cobscook Bay Reversing Falls in winter, and what is the experience like?

    While the most dramatic tidal action is visible year-round, visiting in winter offers a different experience. The trails may be covered in snow or ice, requiring appropriate winter gear and caution. The stark winter landscape can be beautiful, but amenities might be more limited, and the focus would be on observing the falls and potentially winter wildlife.

    What kind of wildlife can I expect to see, and when is the best time for wildlife viewing?

    The area is excellent for wildlife viewing. You can often spot seals playing in the strong currents. Cobscook Bay boasts the highest density of nesting bald eagles in Maine, so they are frequently seen soaring overhead. Various waterfowl and migratory birds also frequent the area. While wildlife can be seen at any time, early mornings or late afternoons often provide the best opportunities.

    Are there any specific viewpoints or landmarks within Reversing Falls Park that offer the best views?

    The park and preserve feature a network of easy hiking trails, totaling about 0.6 to 0.7 miles, that lead to various viewpoints. These trails offer different perspectives of the falls and the panoramic Cobscook Bay. Exploring the trails allows you to find your preferred spot to observe the dynamic water conditions and surrounding scenery.

    Is it safe to swim or boat in the Cobscook Bay Reversing Falls?

    No, swimming or wading in the falls is extremely unsafe due to the rapidly changing and powerful currents, which can reach speeds of 9-12 knots. Boating should only be attempted with an experienced local guide who is familiar with the challenging tidal conditions.

    What other natural attractions are located near Cobscook Bay Reversing Falls?

    Cobscook Bay itself is a significant natural area, opening into Passamaquoddy Bay and the larger Bay of Fundy, known for its extreme tides. Nearby, you can explore other coastal areas, islands like Moose Island (where Eastport is located), and various preserves that showcase Maine's rugged eastern coastline and rich marine ecosystem.

    Other Popular Places to Check Out

    Water Street, St. Andrews

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