Highway 11 Highway 11 or Highway 11A (Alberta Highway 11A). It is situated on the southeast edge of Sylvan Lake (Sylvan Lake (Alberta)), a long freshwater lake, in Red Deer County. The lake is a popular destination for tourists from around Alberta, with over 1.5 million visitors each year. Popular tourist activities include sunbathing, swimming, water-skiing, and visiting the local Wild Rapids Waterslides. Camp Woods in Sylvan Lake played to the Scouts Canada#Major