Must-sees and hidden gems: what to see and do in the Thousand Islands?
1. Take a cruise through the heart of the archipelago from Gananoque
The easiest way to understand the Thousand Islands is to see them from the water. Departing from Gananoque, boats glide between pine-topped islets, wooden cottages tucked behind granite, and narrow channels where vessels pass quietly. Choose a late-day outing, when the light turns the river gold and gulls circle over sun-warmed rocks. Choose a shorter cruise for a first look, or a longer one to really take it all in.
2. Kayak through quiet coves, level with the reeds
Kayaking is the most intimate way to experience the Thousand Islands, because here, everything happens at water level. Paddle between the islets like you’re moving through a green and blue maze, with the soft slap of water against the hull and the scent of pine resin carried on the breeze. In the morning, the river is often calmer, ideal for families and beginners. A local guide can lead you to sheltered coves, away from busier routes, where you can stop on a granite slab for a break.
3. Explore Boldt Castle on Heart Island, between romance and grandeur
Boldt Castle is the romantic postcard of the St. Lawrence River, a castle that feels straight out of a storybook. Slender towers, pale stone, and sweeping staircases greet you first; the visit itself unfolds like a walk through an unfinished love story, that of George Boldt and his wife, Louise. As you approach by boat, the island looks like a stage set, then you wander through restored rooms filled with stained glass and woodwork. It’s a popular site, but it still has a powerful sense of atmosphere. Because the castle is in the U.S., you’ll need to complete border formalities if arriving from Canada. Bring a valid passport, and note that ESTA only applies to eligible non-U.S. travelers.
4. Walk the island trails of Thousand Islands National Park
To experience the archipelago’s wilder side, head for the islands of Thousand Islands National Park, accessible by water taxi or guided outing. Trails wind through fragrant forest, past ferns, smooth rocks, and viewpoints over the channels. On some islands, you can settle in for a picnic with the river on the horizon, and the steady hum of boat engines fades as soon as you step deeper into the trees. With kids, it’s a great way to mix a short walk with a swim.
5. Spend the night on an island, camping or in a waterfront lodge
Staying overnight in the Thousand Islands changes everything, because the river becomes a presence, not just a backdrop. At dusk, the boats thin out, the surface turns glassy, and you hear more frogs and birds than traffic. The national park offers island campsites, often simple but beautifully located, with sunrise over cold, glittering water. For more comfort, some local stays offer rooms with terraces and direct access to the shoreline.
6. Take in the region from the Thousand Islands Tower, a wide-angle panorama
To grasp the area’s remarkable geography at a glance, the Thousand Islands Tower is hard to beat. From this lookout, you can see the St. Lawrence break into countless islets, like a mosaic, and understand why the border between Canada and the United States feels so fluid here. On a clear day, the view stretches far, with bridges, channels, and tiny sailboats below. Go early in your trip to better read the landscape afterward, or at the end of the day for softer light.
7. Bike the Thousand Islands Parkway, between sparkling water and cliffs
The Thousand Islands Parkway is a scenic route made for unhurried cycling along the river. The ribbon of pavement alternates between open views over the water and shaded stretches, with easy stops to dip your feet in, watch herons, or snack beside the current. The mood is summery but relaxed, especially in the morning. Travelers looking for an easygoing pace will find the perfect rhythm here, with light effort, quiet moments, and a fresh breeze that clears the mind.
8. Seek out quieter corners around Rockport and the small marinas
For a more low-key escape, leave the main docks behind and wander around Rockport and the smaller local marinas. Here, you can linger on wooden docks, watch fishers get their gear ready, and discover peaceful launch points, perfect for a short paddleboard outing or a stroll along the river. Ask a local agency for advice, they’ll know the calmest coves depending on the wind and season, as well as the best times to avoid the crowds.
Add the Thousand Islands to a tailor-made Canada trip
With Evaneos, you’ll be connected with a local, English-speaking travel expert based in Canada. They know the roads worth taking, the best seasons, realistic drive times, and the places locals recommend to one another. The result is fewer surprises and more meaningful moments, at the right pace.
Together, you’ll design a tailor-made trip that can include a stop in the Thousand Islands, between sparkling waters and wooded islets, then continue on to Montreal, Quebec City, Ontario’s parks, or the Rockies. You can adjust every detail, from your interests and budget to your accommodations and activities, for a trip that truly feels like you.
