I'm a bit late in posting this as when I did the walkthrough, it was Monday, April 23. But due to what happened in Toronto, Ontario that afternoon, I decided to hold off on it until some time had passed.
Of course, the tunnel is no longer operational to trains...it hasn't been for several decades. But when the tunnel first opened in 1860, it predated Canada by seven whole years! It lay dormant for years, but was re-opened to the public on August 12, 2017 - a month after Canada's 150th anniversary.
Now, I'll start with the video of my tour of Canada's oldest railway tunnel, and then I'll post some photos that I took on my way back through. Hope you enjoy the tour...and try not to make fun of my voice or camera skills too much. When you're filming with an iPod, it tends to get a bit shaky!