You can see the trace of the original road in this photo & how the switchback bypasses it.
When constructing the summit's professional astronomical observatory in the 1970s, a bulldozer towed the cement trucks up AND down this section of road.😳
Cycle Fun Montreal
Switchback.
This is the switchback they built to avoid what had previously a straight-up wall section of the road to the top of Mont Megantic.
