Top 10 Places to Visit in Ontario

Ontario is big enough to be its own trip several times over: a capital city, the country's largest city, one of the world's famous waterfalls, and wilderness parks that start where the highways end. This list is ranked for a first serious Ontario trip — the top three are the anchors almost every itinerary is built around, and the rest are the add-ons that turn a city break into a real tour of the province. Presentation order is a countdown, 10 to 1.

10. Killarney & Georgian Bay

The painter's Ontario. White quartzite ridges, pink granite shorelines, and clear blue water on the north shore of Georgian Bay — this is the landscape the Group of Seven put on canvas. Killarney Provincial Park is the base: canoe routes, backcountry campsites, and day hikes like The Crack, which climbs to a lookout over the lakes and ridges. It is the least developed stop on this list and the one that rewards effort the most. Come for hiking and paddling, not for restaurants.

9. Prince Edward County

Two hours east of Toronto, the County is Ontario's rural escape hatch: a quiet island county of small towns, farm stands, and wineries, with Sandbanks Provincial Park as its headline — long sandy beaches and some of the largest freshwater dunes in the world. Base yourself in Picton or Wellington, spend the day between the beach and the tasting rooms, and eat well in the evening. Sandbanks is popular enough in summer that reserving ahead matters; shoulder season is calmer and just as good.

8. Muskoka

Ontario's classic cottage country — a region of lakes, granite shores, and pine forest a couple of hours north of Toronto. Visitors rent a cottage or a boat, swim off a dock, and treat the lake as the whole itinerary. Huntsville, Bracebridge, and Port Carling are the service towns, and Algonquin's west gate is an easy day trip from the east side of the region. Autumn is a second high season here, when the maples turn and the crowds thin out.

7. Niagara-on-the-Lake

The civilized counterpoint to the falls, twenty minutes down the river. A well-preserved 19th-century main street, the Shaw Festival's theatres, and a ring of wineries around town make this the overnight stop most Niagara itineraries should include. Cycle between wineries, catch a play in the evening, and visit the falls themselves the next morning before the day-trip crowds arrive. It is the gentlest, most grown-up base in the region.

6. Thousand Islands & Kingston

Where Lake Ontario narrows into the St. Lawrence River, more than a thousand islands scatter along the border — and the way to see them is from the water. Boat tours run from Kingston, Gananoque, and Rockport, past island cottages and Boldt Castle on the US side. Kingston itself is worth half a day: a historic limestone city with a walkable waterfront, Fort Henry above the harbour, and the feel of a much older Canada. Pair the two and you have the best two-day stop in eastern Ontario.

5. Bruce Peninsula & Tobermory

A finger of limestone between Lake Huron and Georgian Bay, famous for water so clear and turquoise it looks borrowed from somewhere tropical. The Grotto in Bruce Peninsula National Park is the signature sight, Flowerpot Island's sea stacks are the boat-trip prize, and Tobermory — the harbour town at the tip — is the base for both, plus glass-bottom boats over 19th-century shipwrecks. This is one of Ontario's most loved places, and it fills up: park reservations and tour bookings need to be made well ahead in summer.

4. Algonquin Provincial Park

Ontario's oldest and most famous provincial park — a vast interior of lakes, rivers, and maple forest, and the classic Canadian wilderness trip within reach of the cities. Highway 60 crosses its south edge with trailheads, campgrounds, and the visitor centre, but Algonquin's real character is one portage in: canoe routes where moose sightings are a realistic hope, not a promise. Come in late September or October for the fall colour, book campsites early, and give it at least two nights — a drive-through only scratches it.

3. Ottawa

The capital does two seasons equally well. In summer: Parliament Hill, the national museums (history, nature, art, war — pick by interest), and the Rideau Canal as a working waterway through the middle of the city. In winter, the same canal becomes the world's best-known urban skate rink during Winterlude. Ottawa is calmer and greener than Toronto, easy to walk, and the natural pairing with a trip to Montreal or the Thousand Islands. Two to three days is right for a first visit.

2. Niagara Falls

The headline natural wonder of the province, and still genuinely astonishing in person — the scale of the Horseshoe Falls does not come across in photographs. See it from the Table Rock viewpoint, from below on the boat tour, and after dark when the falls are lit. Then do what the day-trippers don't: stay overnight in the region (ideally in Niagara-on-the-Lake, #7 on this list) and walk to the brink at dawn, when you may have it nearly to yourself. One full day is enough for the falls themselves; the second day belongs to the wine country around them.

1. Toronto

Canada's largest city is the anchor almost every Ontario trip starts from — and it earns the top spot by being several trips in one. The CN Tower and the waterfront for the classic first day; then the neighbourhoods, which are the real city: Kensington Market, Queen West, the Distillery District, St. Lawrence Market, and a food scene that covers most of the world's cuisines within a few subway stops. Add a ferry ride to the Toronto Islands for the skyline view and a beach afternoon. Give Toronto three days before you judge it — one day only gets you the postcards.

How to combine this list

One week, first trip: Toronto (3 days) → Niagara Falls + Niagara-on-the-Lake (2 days) → Ottawa (2 days).
One week, outdoors first: Toronto (1–2 days) → Algonquin (2–3 nights) → Muskoka or Killarney (2 nights).
Two weeks: add the eastern loop — Prince Edward County (1–2 nights) → Kingston & Thousand Islands (2 nights) — and finish with the Bruce Peninsula if the season is right (late spring to early fall).

Lists are editorial and updated as places change. Booking windows, park reservations, and tour seasons change year to year — always check ahead before you travel.