Flatningen is a lake in Vågå Municipality in Innlandet county, Norway. It is located on the far eastern edge of the Jotunheimen mountain range. The lake lies about south of the village of Vågåmo and about west of the village of Lalm. The lake Lemonsjøen lies about to the southwest of this lake. See also List of lakes in Norway References Vågå Lakes of Innlandet