Rosen Lake is located approximately 25 km west of Fernie. The lake was named after Jaffray pioneer Andrew Rosen. It has a surface area of 72.85 ha, perimeter of 5,034 m and lies at an elevation of 863 m. The average depth of Rosen Lake is 4.3 m, while the deepest spot is 12.8 m. The lake contains dolly varden and rainbow, cutthroat and eastern brook trout.
