The Bay of Fundy has the highest tidal range on Earth. The difference between high and low tide at certain points in the upper bay exceeds 16 metres — a five-story building's worth of water moving in and out twice every 24 hours. This is not a small feature of the landscape; it shapes everything. The mud flats at low tide stretch for kilometres and look like the surface of another planet. The same flats at high tide are navigable by kayak, with the cliffs rising out of the water to their full height. The Hopewell Rocks, the iconic flowerpot formations on the New Brunswick coast, stand in several metres of water at high tide and are completely walkable at low tide, their bases accessible on a sandy floor.
Hopewell Rocks
The Hopewell Rocks are the most visited natural attraction in New Brunswick, and the tidal phenomenon that created them makes every visit fundamentally different depending on where the tide is when you arrive. At low tide — roughly six hours of window around the low water mark — you can descend the stairs to the ocean floor and walk among the bases of the formations, which rise up to 21 metres above you. They are genuinely striking up close: columns of red sandstone topped with trees and vegetation, their bases undercut by thousands of years of tidal erosion, the stone banded in colours from ochre to deep burgundy.
At high tide the floor where you were walking is submerged under 6 to 10 metres of water, and the rocks appear as islands rising from the bay. Kayak tours are available from the site at high tide and offer a completely different perspective — paddling between the formations rather than standing under them. Both experiences are worth having if you can time your visit to catch both the low tide walk and a high-tide kayak on consecutive trips.
Fundy National Park
Fundy National Park, about 30 kilometres west of Hopewell Rocks along the bay, is a less-visited gem with 120 kilometres of hiking trails, excellent camping, and significant waterfall hiking. The Dickson Falls trail is short (3.5 km return) and passes through old-growth Acadian forest to a series of cascades. The coastal trail section of the Fundy Circuit follows the bay shore at a height that gives views of the exposed tidal flats at low tide. Alma, the small village at the park entrance, is famous for its sticky buns from the Harbour Bakery, which has been making them for decades and is worth building a visit around.
Shorebird Migration
The Bay of Fundy is one of the most important shorebird staging areas in the Western Hemisphere. Each summer, millions of semipalmated sandpipers stop to feed on the tidal flats of the upper bay during their southward migration from arctic breeding grounds to South American wintering sites. The flats around Mary's Point, near Hopewell Cape, are the primary staging area. In late July and August the concentrations of birds can be staggering — tens of thousands of small sandpipers moving like a single organism across the mud, diving for mud shrimp that they're consuming to double their body weight before the crossing. It's one of the most remarkable wildlife spectacles in Canada and almost no one outside the birding community knows about it.
Kayaking the Tidal Bore
The tidal bore on the Petitcodiac River, which empties into the Chignecto Bay arm of the Fundy system near Moncton, is a wave that forms at the river mouth as the incoming tide pushes into the narrowing river channel. Bore Tidal Adventures in Moncton offers kayaking the bore — riding the incoming tide wave up the river — which sounds improbable but is well-established as a legitimate (if unusual) water sport. The bore is best in spring when the tidal range is at its annual maximum.
"The Bay of Fundy doesn't do anything quietly. When the tide comes in, it comes fast, and when it goes out, it takes half the ocean with it. You can watch the water level visibly changing while you stand there."
New Brunswick's Fundy coast is one of the most underrated tidal landscapes in the world. The combination of the natural spectacle, the accessible hiking, the shorebird migration, and the distinctive red sandstone geology makes it worth a dedicated trip rather than a stop on the way somewhere else.
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