Humber River Trail System

Neighbourhood: Etobicoke · Address: Humber River, Etobicoke to Vaughan, ON · Hours: Open year-round · Price Range: Free

Why Visit

Stretching from Lake Ontario into Vaughan, this trail gives you uninterrupted green space for cycling, running, and wildlife spotting without ever crossing a road. It's the rare spot in Toronto where you can watch salmon swim upstream in fall without leaving the city.

What Makes It Unique

Unlike other trails in Toronto, the Humber River system is almost entirely car-free for kilometres on end, weaving through forested valleys, wetlands, and even historic bridges. Few trails in the city let you see deer, herons, and honest-to-god salmon runs, right alongside extensive multi-use paths.

The Humber River Trail System is one of the best long greenway routes in the GTA, and honestly one of the few places in Toronto where you can get a real sense of distance without leaving the city behind entirely. It runs for about 56 kilometres from Lake Ontario up through Etobicoke, then on into Vaughan, following the Humber River and the valley system around it. What makes it so good is that it doesn’t feel like one single trail in a straight line. It changes as you go. Down near the lake, it feels like part of the waterfront network, busy and open and close to the city. In the middle sections, it drops you into a deep ravine where traffic disappears and the river does all the talking. Farther north, it starts to feel more spacious and less urban, with longer stretches of woods, meadows, marshy edges, and big open sky. It’s the kind of route where you can do a short out-and-back for an hour or commit to a much bigger ride or run and feel like you’ve actually gone somewhere.

The Lower Humber, especially from Lake Ontario up to Old Mill, is the section most people know, and for good reason. It’s easy to access, well-used, and it gives you one of the best close-to-downtown escapes in the city. You can leave the street grid, drop into the valley, and suddenly you’re on a paved or well-maintained multi-use path with tall trees overhead and the river moving beside you. The ravine walls do a weirdly effective job of muting the city, so even when you’re only a short walk from Bloor or the subway, it feels like you’re in a separate place. That’s part of the appeal. You’ll see runners doing steady loops, cyclists commuting or training, people walking dogs, families with strollers, birders with binoculars, and the occasional person just taking a quiet lap because they need to get out of their head for a while. If you go early in the morning, it’s calm and almost meditative. Midday is more active, especially on nice weekends. In the evening, the light through the trees can be really pretty, and the whole valley gets a softer, slower feel.

Old Mill is the natural place where a lot of people stop, turn around, or hang out for a bit. The bridge and the surrounding area give the trail one of its most recognizable landmarks, and in fall the whole section becomes even more memorable because of the salmon run. Yes, actual salmon swim up the Humber River, and yes, people really do go out just to watch them. It’s not a staged attraction, and it’s not always dramatic in the same way from year to year, but when the timing works, it’s one of the most striking natural things you can see in Toronto. You’ll usually find clusters of people near the riverbanks, all quietly peering in the same direction, trying to spot movement in the water. It can get busy around peak times, but the atmosphere is more curious than chaotic. People aren’t really there to be seen; they’re there because it’s genuinely unusual to watch fish migrating in a city river like this.

North of Old Mill, the trail keeps stretching through Etobicoke and then toward Woodbridge and Vaughan, and that’s where the route starts to feel bigger and less polished in a good way. The trail surface changes in places, so it’s not all smooth pavement anymore. Some sections are packed gravel, some are more natural earth, and the conditions can shift depending on weather and maintenance. That makes it better for hybrid bikes or mountain bikes if you’re heading farther north, though plenty of people still walk and run those stretches. You start seeing more meadows, wetter low areas, and pockets of forest that feel less manicured than the southern parts. Wildlife becomes more noticeable too. Deer show up, especially in quieter areas and at dawn or dusk. Wild turkeys are a real possibility. Herons are common along the river. If you’re patient, you’ll spot kingfishers, turtles sunning themselves, and a decent amount of ordinary local bird life that feels more interesting once you’ve been on the trail for a while and started paying attention.

One of the nice things about the Humber is that it doesn’t ask you to pick only one use for it. People come here to bike long distances, yes, but also to run intervals, walk dogs, take long thinking walks, and do lazy weekend outings where the destination matters less than the time outside. It’s good for both short and long trips, which is part of why it gets so much use. If you’re cycling, the lower section is the easiest and most straightforward, but if you’re planning to keep going north, it’s smart to expect a few surface changes, some curving sections, and occasional detours or interruptions where local roads, bridges, or construction affect the route. It’s generally very manageable, but it’s not one of those trails where you can just zone out entirely and assume everything stays smooth forever. For runners, the paved stretches are excellent, especially if you want a long, mostly car-free route with gradual changes in scenery. For walkers, the valley gives you enough variation that even a simple out-and-back doesn’t feel repetitive too quickly.

The neighbourhood context matters here too. In the south, you’re moving through the Humber Bay and Etobicoke side of things, so there’s a mix of parkland, residential streets, and major road crossings that remind you you’re still in the city. But once you’re down in the valley, the surrounding neighbourhoods feel far away. The trail cuts through one of Toronto’s strongest natural corridors, which is why the experience is so different from just walking a regular city path or a waterfront promenade. Compare it with the Martin Goodman Trail and the Humber has way more enclosed, green, and sheltered sections, while the waterfront feels flatter, busier, and more exposed. Compare it with the Don Valley and the Humber is broader in some places and less industrial-feeling in others, with a different rhythm that’s a little less compressed. It’s also more continuous in the sense that the river guides you, so you’re usually following a clear line through the landscape instead of zigzagging around a patchwork of neighbourhood links.

If you’re visiting, the biggest practical tip is simple: pick your section based on what kind of day you want, not just the total length. If you want the prettiest, easiest introduction, go to Old Mill or somewhere in the Lower Humber and spend an hour or two there. If you want a proper long ride or a more rugged-feeling walk, head farther north and be ready for changes in surface and fewer amenities. Don’t assume you’ll find constant washrooms, food, or water fountains once you get away from the more developed parts. Bring water, especially in summer. Wear decent shoes if you’re walking the rougher stretches. If you’re biking, check your tires and brakes before you go, because there are a few sections where you’ll be much happier on a bike that can handle mixed conditions. In spring, the trail can be muddy in places. In summer, some parts are beautifully shaded and others feel much hotter than you’d expect when you’re out in more open sections. In fall, the colours in the valley canopy are usually the best reason to go, and it’s also the best time to catch salmon activity. In winter, the trail is still open, but snow and ice can make some sections slower and less predictable, so it’s best approached as a scenic walk rather than a fast trip.

The honest reality is that the Humber River Trail System is popular because it’s good, and that means you’re not going to have it to yourself in the most accessible sections, especially on sunny weekends. The Lower Humber can get crowded, and the Old Mill area is a known draw, so if you want a quieter visit, go early or pick a weekday. Cyclists and pedestrians generally coexist pretty well, but you do need to stay alert in busier stretches because the path can narrow, curves can limit sightlines, and people sometimes move unpredictably, especially with dogs or kids in tow. The best strategy is to treat the trail like a network, not a single destination. Start with the section that suits your energy level, use the subway or a nearby car drop-off to save your legs for the part you actually care about, and don’t feel like you need to cover the full 56 kilometres to get the point. Even a short stretch gives you a good sense of what makes it special: the river, the valley walls, the quiet pockets, the wildlife, and the way Toronto suddenly feels a lot bigger and a lot more natural than people usually give it credit for.