Wellesley Island State Park
Wellesley Island State Park, nestled in the heart of the Thousand Islands, offers scenic waterfront views, diverse wildlife, and a wide array of recreational activities. With its expansive campgrounds, sandy beach, and nature center, the park is a popular destination for families, anglers, and outdoor enthusiasts exploring the St. Lawrence River region.
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Visiting with Dogs
Dogs allowed on leash; not in buildings, playgrounds, or swimming areas. Owners must clean up after pets.
Visitor Tips & Reviews
What Visitors Say
Visitors love Wellesley Island State Park for its beautiful waterfront campsites, clean facilities, abundant wildlife, and excellent hiking, fishing, and boating in the scenic Thousand Islands region.
Tips from Visitors
- Reserve campsites early, especially for summer weekends.
- Bring bug spray for mosquitoes and ticks.
- Explore hiking trails with scenic river views.
- Rent kayaks or canoes at the marina.
- Check for fishing regulations before casting a line.
- Pack layers; weather can change quickly near the river.
Amenities

Nearby Attractions
Explore these attractions near Wellesley Island State Park:
- Minna Anthony Common Nature CenterA nature center within the park featuring exhibits, educational programs, and wildlife observation areas.Within the park
- Thousand Islands BridgeAn iconic bridge connecting the U.S. and Canada, providing scenic views and access to Wellesley Island.2 miles away
- Boldt CastleA historic castle on Heart Island, accessible by boat, offering tours and stunning river views.8 miles away
Things to Do at Wellesley Island State Park
Camping at Wellesley Island State Park
Tent, RV, cabins, and yurts available May–October; reservations required. Electric, water, showers, and restrooms provided.
Hiking Trails
Wellesley Island State Park offers a variety of scenic day hiking trails that wind through lush forests, along picturesque shorelines, and past tranquil wetlands. Hikers frequently praise the well-marked paths, peaceful atmosphere, and opportunities to spot wildlife such as deer and birds. The trails range from easy to moderate, making them suitable for families and casual hikers seeking beautiful views of the St. Lawrence River.
Eel Bay Trail
EasyA scenic trail winding along Eel Bay with views of wetlands and opportunities for birdwatching.
East Trail
ModerateA wooded trail featuring gentle hills, forested areas, and glimpses of the St. Lawrence River.
Narrows Trail
EasyA short loop trail passing through diverse habitats, including marshes and hardwood forests.
Lake of the Isles Trail
ModerateA longer trail offering panoramic views of Lake of the Isles and access to secluded coves.
Directions
Take I-81 north to Exit 51, cross the Thousand Islands Bridge, and follow signs to the park entrance on Wellesley Island.
Contact & Info
Frequently Asked Questions
What activities are available at Wellesley Island State Park?
Visitors can enjoy camping, hiking, fishing, swimming, boating, and golfing. The park also offers nature trails, a marina, and a sandy beach.
Are there cabins or campsites for rent?
Yes, the park offers a variety of campsites, including tent, trailer, and RV sites, as well as cabins and cottages for rent.
Is Wellesley Island State Park pet-friendly?
Yes, pets are allowed in most areas of the park, but they must be leashed and supervised. Some cabin and cottage rentals also allow pets.
Are there boat rentals available at the park?
Yes, the park marina offers boat rentals, including canoes and kayaks, for exploring the St. Lawrence River.
What wildlife can be seen at Wellesley Island State Park?
Common wildlife sightings include deer, beavers, turtles, and a variety of birds. The Minna Anthony Common Nature Center offers wildlife viewing opportunities.
Is there a swimming area at the park?
Yes, Wellesley Island State Park has a designated sandy swimming beach open during the summer season, with lifeguards on duty.

