The 157th (Simcoe Foresters) Battalion, CEF was a unit in the Canadian Expeditionary Force during the First World War.
Before the camp was opened the remainder of the 157th and the entire 177th Battalion (Simcoe Foresters), CEF, under the command of Lieutenant-Colonel J.B. McPhee, arrived.
By that summer, Camp Borden was home to 36 CEF battalions in nine brigades before they embarked overseas.
The colours were reclaimed by The Grey and Simcoe Foresters, which perpetuates the 157th, on 18 June 1982 and deposited in the regiment's Barrie Officers' Mess.
Training at Camp Borden ended on 13 October 1916, when the 157th Battalion departed for Halifax, Nova Scotia.
From the four CEF battalions perpetuated by The Grey and Simcoe Foresters (147th, 157th, 177th, and 248th) over 450 lost their lives during the First World War.