Thousand Islands National Park
Parks Canada is monitoring high water levels on the St. Lawrence River between Kingston and Brockville.
Please check here before travelling for information about impacts to park services and facilities.
If you observe safety hazards in the park related to the high water conditions, please contact the park at 613-923-5261 or pnmille-iles-thousandislandsnp@pc.gc.ca.
Dock closure: The Constance Island crib dock is temporarily closed for your safety.
Journey to the picturesque granite islands and rugged shorelines of Thousand Islands National Park. Explore secluded bays by kayak or boat, camp or picnic by the river, or learn about the region's biodiversity and rich Indigenous heritage from the vantage point of wooded trails and rocky lookouts.
25% off camping and overnight stays at Thousand Islands National Park
The Canada Strong Pass is back! Enjoy discounted camping and overnight stays from June 19 to September 7, 2026.
Camp on an island
Pitch your tent along the banks of the St. Lawrence River and take in the stars at night.
Visiting Thousand Islands National Park
Activities and experiences
Things to do, trails, programs, paddling, boating, red chairs and more.
Plan your visit
How to get here, maps, facilities and services and weather.
Camping and overnight accommodations
Campsites and oTENTiks.
Reservations
Make a reservation for campsites and oTENTiks.
Fees
Discounted camping fees, parking fees, boat launch and mooring fees, and more.
Passes
Seasonal and annual admission passes.
Safety and guidelines
Important bulletins, wildlife, camping and water safety, and park regulations.
About Thousand Islands National Park
Nature and science
Conservation and science, R.A.R.E project, animals, plants, the environment, and research.
Culture and history
History, cultural landscape, designation information.
Stewardship and management
Contact information, jobs, public consultations, plans, business licenses and policies.
Contact Thousand Islands National Park
General inquiries:
Phone: 613-923-5261
Toll-free: 1-888-773-8888
pnmille-iles-thousandislandsnp@pc.gc.ca
For emergencies within the park:
Police, Fire, Ambulance (emergency only): 911
Wildlife incidents/Wildfires: 1-877-852-3100
Hours of operation
Mallorytown Landing
May 15 to September 7, 2026
Self-serve registration available
Visitor Centre office and washrooms open: 9:00 a.m. to 4:00 p.m.
Island Facilities
May 15 to October 12, 2026
Self-serve registration available
More places to discover with Parks Canada
Bellevue House National Historic Site
Follow staff in period costume on a tour of Bellevue House. Hear stories about Canada’s first prime minister, who made history here in the 1840s. Feel a Lake Ontario breeze in an heirloom garden.
Fort Wellington National Historic Site
At Fort Wellington, one of the fortified posts the British built to defend its colonies against American invasion in 1812 and 1838, you can relive this precarious period when the fate of Canada hung in the balance.
Kingston Fortifications National Historic Site
Kingston Fortifications National Historic Site is located in and around the harbour area of Kingston, Ontario. Situated at the mouth of the Cataraqui River, and overlooking the confluence of Lake Ontario and the St. Lawrence River, the fortifications consist of five separate 19th-century military installations.
Rideau Canal National Historic Site
An historic 19th century military waterway linking rivers and lakes across Eastern Ontario’s countryside, the Rideau Canal is now a popular natural playground, perfect for boating, paddling, fishing, camping, hiking and cycling the canal’s wooded pathways.
Laurier House National Historic Site
Two of Canada’s most important Prime Ministers, Sir Wilfrid Laurier and the Rt. Hon. William Lyon Mackenzie King, resided in this Victorian Ottawa mansion where they entertained dignitaries and politicians while often conducting the nation’s business.
Thousand Islands National Park
Granite islands speckle the St. Lawrence River in a transition zone between Canadian Shield and Adirondack Mountains. Explore by boating, paddling, or hiking. Awesome Thousand Islands National Park awaits, a few hours from Toronto or Montreal.
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