Vasslivatnet (English: Lake Vassli)[1] is a lake in the municipality of Heim in Trøndelag county, Norway. The 2.92-square-kilometre (1.13 sq mi) lake lies along European route E39, about 13 kilometres (8.1 mi) east of the village of Vinjeøra. The lake is a man-made lake along the river Søo. There is a dam on the west end that is part of a hydropower plant.[2]