Flatningen is a lake in VÃÂ¥gÃÂ¥ 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 VÃÂ¥gÃÂ¥mo and about west of the village of Lalm. The lake Lemonsjøen lies about to the southwest of this lake.