Blende River Viaduct
The Blende River Viaduct, better known as the Pass Lake Trestle, is located just northwest of the community of Pass Lake, Ontario at Milepost 123.4. It was constructed between 1912 and 1913 and still stands today. It is 2258 feet long, 130 feet high and rests on 19 towers.
For more information and photos, please read the following great article: The Driving of the Last Spike on the Canadian Northern Ontario Railway by John Todd (Canadian Rail Magazine, November 1979)
There are several videos of the viaduct in the YouTube playlist below.