Mangen is a lake in the municipalities of Eidskog in Innlandet county and Aurskog-Høland in Akershus county, Norway. The 4.129-square-kilometre (1.594 sq mi) lake lies about 20 kilometres (12 mi) northeast of the village of Aursmoen (in Aurskog-Høland) and about 20 kilometres (12 mi) west of the village of Skotterud (in Eidskog).[2][3]