The CN Tower story
Find out more about Canada’s National Tower here—its history, the science behind its construction and some of the records it holds.

Upcoming closures:
Open: 9:30 AM to 9 PM
When the CN Tower construction was completed in 1976, this icon of Canadian engineering and construction was the tallest freestanding structure on Earth, a record we held until 2007.
For nearly half a century, we’ve been recognized for many other achievements as well. You can learn about some of them right here!
As certified by Guinness World Records:
Other records:
As you plan your visit to the CN Tower, be assured that you’re choosing an award-winning experience. Here are just some of our more recent accolades:
TripAdvisor’s Travelers’ Choice "Best of the Best" Award: CN Tower (2022)