Lac Beauvert is a remanent of what was once a much larger lake that covered the entire Jasper valley, also encompassing the modern day nearby lakes of Patricia Lake, Pyramid Lake, Lake Edith and Lake Annette.
The remnants of Lac Beauvert are all that remain of a former lake that once spanned the entire Jasper valley, including modern-day lakes Patricia Lake, Pyramid Lake, Lake Edith, and Lake Annette.