Ontario is a fantastic destination for outdoor rock climbing and ice climbing, offering a variety of climbing spots with diverse terrain and breathtaking scenery. We outlined some of the main crags below in the map, and highlighted a few of the locations below!
Ontario Climbing
Bouldering, sport, trad, and ice climbing across Ontario — from Niagara Glen to the wilds of Thunder Bay, guided by local pros.
Why Ontario
Ontario has fabulous bouldering, sport climbing, and ice climbing
Bouldering
Bouldering areas in Ontario are abundant and growing. The Niagara Glen is the largest developed bouldering area in Southern Ontario, and developers are transforming the Nooks, Muskoka, and Thunder Bay into world-class bouldering areas.
V0–V3 — welcoming classicsV4–V10+ — powerful test-pieces
Sport & trad
The Niagara Escarpment hosts many limestone crags across the province, including Metcalfe Rock, Mount Nemo, and Old Baldy. As you travel further north, you hit local spots in Sudbury, Sault Ste. Marie, and Thunder Bay.
Sport — clip boltsTrad — place your own gearTop rope — great for learning
Ice climbing
When people think of Canada, they think of the cold. Thankfully, Ontario's waterfalls freeze up real nice in the winter. There are great winter ice climbing spots in Muskoka and near Haliburton, and up near Thunder Bay, Nipigon hosts North America's longest-running ice festival.
Frozen waterfalls & gorgesBeginner to expert lines
Multi-pitch & remote
In Northern Ontario, there are many established multi-pitch routes, and more that can be developed near Thunder Bay, Sault Ste. Marie, Sudbury, and more.
Lake Superior big cliffsAlgoma backcountry granite
Where to climb
Where to climb in Ontario
Ontario's climbing spreads across an entire province. In the south, the Niagara Escarpment — a UNESCO World Biosphere — threads limestone crags and bouldering within a couple hours of Toronto. Head north and the terrain turns wild: Lake Superior big walls and the remote granite of Algoma.
Explore the highlighted areas below, then find them on the map.
Ontario climbing regions
Click any pin for local beta, access info, and guidebooks.
Niagara Region
Niagara Glen
Niagara Glen Nature Reserve, managed by Niagara Parks Commission, is located on the Canadian side of the Niagara Gorge, just downstream from Niagara Falls and above the Whirlpool Rapids. It is the largest developed bouldering area in Southern Ontario with 650–800+ established problems ranging from V0 to over V10.
Collingwood / Georgian Bay
Metcalfe Rock
Metcalfe Rock is one of Ontario's most accessible and beginner-friendly climbing destinations. But it also has sport routes up to 5.14a! The crag offers solid limestone and a mix of well-bolted sport climbs and traditional routes. Metcalfe Rock is nestled in the Beaver Valley section of the Niagara Escarpment, and managed by the Bruce Trail Conservancy.
Lake Superior / Northwest Ontario · ~1,400 km NW of Niagara
Thunder Bay & the North
Thunder Bay is one of Canada's hidden climbing gems, offering some of the best multi-pitch routes, world-class ice climbs, and untapped cliffs. Nestled along the rugged north shore of Lake Superior, the region is home to a passionate and welcoming climbing community.
Book a guide
Book a guided climbing course in Ontario
If you're looking to rock climb in Northern or Southern Ontario, taking a lesson with a qualified guide is the best way to get the most out of the day. The instructor will ensure you climb safely and use the right technique, so you can focus on mastering your skills, whilst appreciating the scenic views at the best climbing locations in Ontario. Through booking with Climb Onsight, you'll get a climbing instructor who is very knowledgeable about Ontario's best outdoor rock climbing locations. They'll advise you on what equipment you'll need to climb, show you how to climb safely, and most of all ensure you have lots of fun.
Planning your trip
When to climb in Ontario
Ontario climbing runs year-round — rock and bouldering from spring through fall, and ice through the deep-freeze of winter. Here's what to expect month by month, though these are just estimates and seasons shift from year to year. Heads up: in the summer months it can get buggy, so bring bug spray!
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Ice climbing
★ Best conditions
Peak
Peak
Closingneeds a hard freeze
Opening
Rock climbing — sport & trad
Openingwatch for rain
★ Best conditionsPeak
Summerwarm & humid
Fall seasoncrisp & dry
Bouldering
★ Best frictionPeak
Summerhot & humid
Peak
Peak
Opening / Closing
Fall season
Off season
Not sure when to visit Ontario? Our professional local guides will build the perfect trip around your schedule and skill level.
Our guides
Top Ontario climbing guides
On Climb Onsight, you'll find professional guides who have been guiding rock and ice climbing in Ontario for years! These guides can show you remote parts of the province, while teaching you the basics of rock climbing or advanced rope rescue skills. These Ontario-based guides bring unmatched local knowledge, technical expertise, and a deep passion for the outdoors. All of our Ontario guiding companies have been taking people out since at least the 2010s (or longer) and are highly reviewed for ensuring a safe and high-quality experience.
Ontario climbing facts
What makes Ontario special
Climb on the Niagara Escarpment—a UNESCO Biosphere
The escarpment stretches over 700 km and features dozens of crags, including Rattlesnake Point, Mount Nemo, Old Baldy, and more—all within a couple hours of Toronto.
Niagara Escarpment
The Bruce Peninsula Has the Clearest Water You'll Ever See While Climbing
Crags like Halfway Log Dump offer seaside (well, lakeside) climbing with views that rival the Mediterranean, but with fewer crowds.
Bruce Peninsula
Access Advocacy is Alive and Well
Thanks to the Ontario Alliance of Climbers (OAC), many crags have been re-opened, protected, or sustainably managed through ongoing negotiations with landowners and conservation authorities.
Access & community
Ice Climbing in Elora Gorge
Come winter, the province freezes up beautifully. Elora Gorge is a unique and amazing spot for vertical ice climbing!
Ice climbing
Algoma Region is Wild and Remote
The rugged Algoma District, north of Lake Superior, is a paradise of alpine-style granite cliffs, waterfalls, and ice climbing potential—with very few climbers. It's perfect for adventure-seekers.
Northern Ontario
Climbing Community
Dozens of indoor gyms across Toronto, Ottawa, Hamilton, and beyond fuel a massive community of climbers, many of whom venture outdoors to Glen, Rattlesnake, and beyond.
Community
Gripped Magazine Was Founded in Ontario
Canada's national climbing magazine, Gripped, is based in Toronto and regularly features Ontario crags, FA stories, and local legends.
Community
Frequently asked questions
Everything you need to know about climbing in Ontario
Do I need experience to climb outdoors in Ontario?
Do I need a permit to boulder at Niagara Glen?
When is the best time to climb in Ontario?
Where is the best bouldering in Ontario?
Where can I ice climb in Ontario?
Is Metcalfe Rock good for beginners?
Are Climb Onsight guides certified?
What gear do I need to bring?
More questions? Send us a message and our team will get back to you.