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Thousand Islands National Park


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Get away from it all and uncover the natural beauty of the St. Lawrence River in Eastern Ontario. Explore trails, beaches, and dozens of islands in one of Canada’s oldest parks.

The rocky islands, windswept pines and cool waters of Thousand Islands National Park have the flavor of the northern wilderness just a few hours from Toronto, Montreal, and Ottawa. In a place where nature and culture intermingle, majestic castles and historic summer homes stand in contrast to rugged islands of granite and pine that are home to lumbering turtles, soaring eagles, and countless other species. Spread out over more than 22 islands and four mainland properties, the Park showcases the unique landscape created when retreating glaciers scraped sediments and exposed the rounded knobs of an ancient mountain chain, as melting water turned 1000 hilltops into the 1000 Islands.

What You'll See

By Water

  • Come by boat and enjoy the comforts of fully serviced, or tranquil and rustic islands to reconnect and recharge against a backdrop of natural beauty. Or escape the crowd, forget the tour boat and witness Thousand Islands National Park as few do, from the intimate perspective of a canoe or kayak. Lucky paddlers may glimpse a soaring bald eagle or a family of turtles basking on a rock.

Day Visitors

  • From community picnics to family reunions to an impromptu outing, the park property at Mallorytown Landing has all the ingredients for family fun: new barbeque facilities and a beautiful gazebo, interactive indoor and outdoor exhibits, live animals that kids of all ages can touch and hold, nature programs, a playground, and a chance to camp in an oTENTik.


  • Set up your tent, or discover the oTENTik experience, stoke up your fire, and take in thousands of stars while in the Thousand Islands.


  • Fishing is permitted off park docks and out of boats with a valid sport or conservation fishing licence. Visitors under 18 or over 65 years of age do not require a licence.


  • Geocaching is a worldwide activity where participants hunt for hidden treasures with GPS units. The Park has several hidden geocaches and earthcaches on its island and mainland properties.


  • Being active is a pleasure when your gym is the Canadian outdoors. Hiking trails provide an opportunity to escape the daily grind in a sanctuary of scenic lookouts, rugged rock faces, and tall stands of pine. Trails vary in difficulty from an easy 20-minute walk to lengthy challenging terrain.


  • There are two sand beaches at St. Lawrence Islands National Park. One is on Central Grenadier Island and the other is on Thwartway Island. However, there are plenty of great swimming rocks and docks throughout the park.

Wildlife spotting

  • The forests, shorelines, wetlands, and aquatic environments of Thousand Islands National Park are home to a diversity of species. The top 5 common wildlife species visitors may spot when at the park are osprey, map turtles, mink, great blue herons, and white-tailed deer.