If you want to know more about Canada’s first railway tunnel (built between 1854-1860) then check this site. Canada’s First Railway
On our last visit to Brockville however, the tunnel amazed me. Totally! The 525 meter tunnel is now a walkaway with a state-of-the art light show. It has to be experienced to be appreciated is all I can say.
The Brockville Railway Tunnel, Ontario – October 10, 2017