Castle Mountain Internment Camp, World War I internment facility in Banff National Park, Alberta, Canada.
Castle Mountain Internment Camp was a tent facility surrounded by barbed wire at the base of Castle Mountain. The site held several hundred prisoners in cramped conditions during its operation.
The camp operated from 1915 to 1917, detaining over 600 people classified as enemy aliens under the War Measures Act during World War I. This internment policy reflected wartime fears and suspicion toward immigrants from Central and Eastern Europe.
The camp forced people from Ukraine, Austria, Hungary, and Germany into internment under wartime suspicion. They endured discrimination and harsh conditions that deeply affected their families and communities.
The site is located in the mountains and requires planning to access, so gather information before visiting. Winter conditions were particularly harsh, which led to seasonal relocation of prisoners to military barracks near Banff town.
Inmates performed forced labor building roads between Banff and Lake Louise and developing park infrastructure. These projects actually accelerated park development while the workers endured poor conditions.
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