Pierre Grey's Lakes - a series of small lakes SE of Grande Cache in the foothills of the Rockies, stocked with trout, no motorboats allowed (only electric motors). Went up there for a week every summer when we were growing up and that place has so many fond memories for me.
http://gateway.cd.gov.ab.ca/siteinformation.aspx?id=209
http://www.panoramio.com/photo/12962487