Map of the Pinetree Line, Mid-Canada Line and Distant Early Warning Line Stations at the Base Borden Museum. Photo: Bruce Forsyth.
In the early 1950s the Pinetree Line network of radar stations was established. This line, which stretched along the 50th parallel, down the eastern coast and into southern Ontario and Quebec, acted as an early warning detection system against a Soviet air attack. The Pinetree Line was shut down in the mid 1980s as part of the North American Air Defence Modernization Plan.
For the full history of the following former Pinetree Radar stations, visit the Ren L’Ecuyer’s Pinetree Line web site – http://67.69.104.76:84/Pinetreeline/homepage.html or Larry Wilson’s Radar Tech Page – http://www.lswilson.ca/page5.htm.
or read “Abandoned Military Installations of Canada Volume I: Ontario”, “Abandoned Military Installations of Canada Volume II: Quebec” and “Abandoned Military Installations of Canada Volume III: Atlantic by Author Paul Ozorak.
The source material that I used is from the above sources and any others listed in the individual entry.
Unless indicated, no military presence remains at the former Pinetree Stations.
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Abandoned Military Base - CFS Foymount - Exploration Project
September 4, 2016 at 9:42 pm (UTC -5) Link to this comment
[…] CFS Foymount opened in 1952 as a radar and warning station. The radar was situation on top of 535 metre hill and was a part of the Pine Tree Line of Norad (North American Aerospace Defense Command) radar stations. These stations provided early warning in the case of a Soviet nuclear attack, which was of course, a looming concern at the time. CFS Foymount, however, was closed in 1974 due to other radar stations being powerful enough to cover its area of operation. […]