Bittern Lake, originally named Rosenroll, is a village in central Alberta, Canada. It is located between Camrose and Wetaskiwin, on Highway 13. The first post office opened in the home of Ernest Roper in 1899. It was known as the Village of Rosenroll between 1904 and 1911.The lake itself is not accessible by road, and is not recommended for boating or fishing due to its high counts of alkali and its shallow waters.