Nedre Heimdalsvatn is a lake in VÃÂ¥gÃÂ¥ Municipality in Innlandet county, Norway. It is located in the far eastern edge of the Jotunheimen mountain range. The lake sits at an elevation of above sea level, just to the southeast of the mountain Heimdalshøe. The southern end of the lake forms the boundary between VÃÂ¥gÃÂ¥ Municipality and ÃÂystre Slidre Municipality.