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 present name comes from Cree Indians in the area, on account of bittern nea…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 present name comes from Cree Indians in the area, on account of bittern near the lake.