Tommy Thompson Park (Leslie Spit)

A 5km man-made peninsula that juts into Lake Ontario — and one of Toronto's best-kept secrets. Built from construction fill in the 1950s, it's now a wildlife refuge with 317 bird species, double-crested cormorant colonies, and skyline views.

Neighbourhood: Port Lands · Address: Leslie Street Spit, Toronto, ON · Hours: Sat–Sun & holidays 9am–6pm (closed weekdays for truck traffic) · Price Range: Free

Why Visit

Escape the city without leaving Toronto: here, you’ll wander an untamed, flat expanse dotted with wildflower meadows, migrating birds, and sweeping downtown views.

What Makes It Unique

Unlike Toronto’s polished waterfront parks, Tommy Thompson Park is rugged, raw, and built on reclaimed construction debris. Birdwatchers flock here for the city’s largest cormorant colony and seasonal migrations, and the sense of wildness feels genuinely unexpected this close to downtown.

Tommy Thompson Park, better known to most Torontonians as the Leslie Street Spit, is one of those places that sounds made up until you actually go there. It’s a long, narrow strip of land stretching about five kilometres into Lake Ontario from the foot of Leslie Street, and yes, it really was built from construction rubble, excavated soil, broken concrete, and city fill dumped out here over decades starting in the 1950s. It was originally meant to serve as part of a bigger harbour plan, but that never really happened in the way planners imagined. What happened instead was better, stranger, and a lot more interesting: plants took root in the piles of debris, birds moved in, and over time the place turned into one of the most important wildlife areas in the Great Lakes.

That’s the big surprise here. You don’t arrive at Tommy Thompson Park expecting much at first. The entrance is plain, the surrounding area is industrial, and for a few minutes you feel like you’re heading to the end of the city rather than to a nature reserve. Then the landscape opens up. On one side you’ve got the lake, on the other side lagoons, marshes, scrubby shoreline, and open fields where tall grasses wave around in the wind. The whole place feels a little raw and unfinished, which is part of the appeal. It doesn’t look manicured or designed to impress. It looks like nature figured it out on its own, and that gives it a very different energy from Toronto’s more polished parks.

If you’re into birds, this place is serious business. More than 317 species have been recorded here, which is wild for a park that’s basically a human-made peninsula in the middle of the city. The double-crested cormorant colony is especially famous, and when you get close enough you understand why. There are thousands of them, packed into the trees, perched on branches, and calling nonstop. It’s loud in a way that’s hard to describe if you haven’t stood near a major colony before. Add in herons, egrets, gulls, terns, owls, peregrine falcons, kingfishers, and the waves of warblers and other migrants that pass through in spring and fall, and you start to see why birders come back here again and again. Even if you don’t know a cormorant from a crow, it’s impossible not to notice the amount of life happening all around you.

What makes Tommy Thompson Park especially good is that you don’t need to be a hardcore birder to enjoy it. A lot of people come here to cycle, walk, take photos, or just get out of the city for a few hours without actually leaving the city. The main road down the spine of the spit is closed to cars on weekends, which is one of the reasons the park works so well for visitors then. On weekdays, construction trucks still use parts of the route, so weekend access is the sweet spot unless you’re dealing with work being done or a special closure. If you bike the full out-and-back, you’re looking at roughly 10 kilometres on a flat route, and that makes it one of the easiest long bike outings in Toronto. You don’t have to worry about hills, traffic, or complicated navigation. You just keep going south, with Lake Ontario appearing on both sides in stretches, the skyline shifting in the distance, and the sense that the city is slowly falling away behind you.

The atmosphere changes a lot depending on when you go. Early weekend mornings are the best if you want birds and a quieter feel. That’s when the park still seems half asleep, with joggers, cyclists, and birders moving slowly along the road while the water stays calm and the light is soft. If you get there early enough, you’ll probably hear the birds before you see much else. By late morning and early afternoon, especially on a warm sunny weekend, the park gets busier. You’ll see families, pairs of cyclists, people with huge cameras and tripods, and visitors who seem to have come mainly for the novelty of being at the end of the city. It never feels packed in a downtown-park sense, but there can be enough people around that you’re not exactly alone. That’s fine, though. The place is long enough that the crowds spread out, and once you get farther down the spit, the feeling of space takes over again.

At the tip, the payoff is the skyline view, and it really is one of the best in Toronto. You’re far enough south that downtown looks almost theatrical, with the CN Tower, condo clusters, and office towers rising from the water like a city in a postcard. Because you’ve biked or walked through so much open landscape to get there, the view feels more dramatic than the usual waterfront look from downtown itself. It’s one of those perspectives that makes you rethink the city. Toronto starts to look bigger, stranger, and more beautiful all at once. If the light is right, especially late afternoon or near sunset, the water can turn silver or blue-black and the whole skyline sharpens. It’s a great photography spot, but even if you’re not trying to get a perfect shot, you’ll probably stand there longer than you expected.

The park also changes through the seasons in ways that make repeat visits worthwhile. In spring, bird migration brings a constant sense of motion, and the park feels full of energy. Summer is greener and busier, with more cyclists and more people hanging out around the trail network. Fall is arguably the best season if you like both birding and comfortable weather, since the migration picks up again and the light gets warmer and lower. Winter is a different story altogether: quieter, harsher, and more exposed, with big wind off the lake and a sense that you’re really on the edge of something. Not every visitor will love winter here, but for people who do, it can feel almost cinematic. The park doesn’t pretend to be cozy. It leans into the weather.

A lot of people underestimate how practical this place is, which is part of why it’s still not overrun the way some waterfront destinations are. If you’re biking, bring your own bike or use Bike Share Toronto, which has a station near the entrance. That makes the park pretty easy to add to a day out in the east end. Wear shoes that can handle a bit of dust or grit, because this is not a polished promenade. Bring water, especially in summer, because once you’re out on the spit you’re committing to the full length unless you turn around early. Binoculars are a great idea if you care even a little about birds, because some of the best viewing involves watching colonies and activity at a distance. And if you’re coming for photos, think about timing: morning is better for active wildlife, while late day gives you the strongest light on the skyline and water.

The neighbourhood around the park matters too, because Tommy Thompson Park doesn’t exist in a vacuum. It sits in the Port Lands, which is one of Toronto’s most industrial and transitional areas, full of warehouses, shipping infrastructure, roads, and ongoing redevelopment. That contrast is a big part of the experience. You leave the city grid behind, pass through a corridor that feels more utilitarian than scenic, and then suddenly you’re in this long stretch of reclaimed land where wildflowers, driftwood, marsh, shoreline, and bird colonies have taken over. Compared with other Toronto nature spots, that makes it feel much more unusual. High Park is more established and social, the Toronto Islands are more recreational and residential, and the Don Valley trails are more enclosed and wooded. Tommy Thompson Park is more exposed, more windswept, and more elemental. It’s one of the few places in the city where you really feel the scale of the lake and the scale of the land at the same time.

The honest reality is that this is not a place where everything is instant or neatly packaged. There can be wind, dust, truck noise in nearby areas, and closures that change what part of the route you can access. Some visitors show up expecting a casual waterfront stroll and are surprised by how long the peninsula is and how little shade there is in some sections. Others think they can just pop in for ten minutes and leave with the full experience, but that’s not really how it works. You get more out of it if you give yourself time. Two to three hours is a good range for a proper out-and-back, especially if you’re stopping to watch birds or take photos. If you only have an hour, you can still get a taste of it, but you won’t get the full effect of the long ride and the end-of-the-city feeling. The best strategy is simple: go early, go on a weekend, bring binoculars if you have them, and don’t rush the return trip. The park rewards people who slow down and pay attention.

What I like most about Tommy Thompson Park is that it’s hard to compare it to anything else in Toronto. It’s not trying to be pretty in the usual sense, and that’s exactly why it works. It’s a place where landfill became habitat, where a planned infrastructure project turned into a major refuge, where you can watch thousands of birds and still see the downtown skyline in the same visit. It feels improvised, a little rough around the edges, and completely unlike the polished version of the city people often picture. If you want a Toronto outing that combines nature, cycling, photography, and a view you won’t forget, this is one of the best ways to spend a weekend morning.

Frequently Asked Questions

What is the Leslie Street Spit in Toronto?

The Leslie Street Spit (officially Tommy Thompson Park) is a 5-kilometre man-made peninsula extending into Lake Ontario from the foot of Leslie Street in the Port Lands. Built from construction fill starting in the 1950s, it has naturally evolved into a major wildlife refuge with over 317 recorded bird species, one of the world's largest freshwater cormorant colonies, and diverse wetland and meadow habitats. Entry is free.

When is Tommy Thompson Park open?

Tommy Thompson Park is open to pedestrians and cyclists on Saturdays, Sundays, and public holidays from 9am–6pm (hours may vary seasonally). The park is closed on weekdays because the roads are used by construction trucks dumping fill material. Seasonal guided walks and birding tours are available — check TRCA.ca for programming.

Is Tommy Thompson Park good for birdwatching?

Tommy Thompson Park is one of the best birding sites in Ontario and the Great Lakes region. Over 317 species have been recorded. Highlights include one of the world's largest freshwater double-crested cormorant colonies, great blue herons, great egrets, Caspian terns, and during spring and fall migration, an enormous diversity of warblers, shorebirds, and raptors. Bring binoculars and a field guide.

Can you cycle to Tommy Thompson Park?

Yes — cycling is the best way to explore the full length of the spit. The road running the 5km length is closed to cars on weekends and is flat and car-free. The full return trip is 10km. Bike Share Toronto has a station at the park entrance at the foot of Leslie Street, accessible from the Martin Goodman Trail along the waterfront. No rental is available within the park.

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