Vegglifjell is a mountain range located along the border of Buskerud and Telemark counties in southern Norway. It runs through the municipalities of Tinn, Rollag, and Nore og Uvdal. The highest point is the 1,380-metre (4,530 ft) tall Skirveggen mountain. The mountain range is surrounded by the Numedalen valley to the east side, the Uvdalen valley to the north, and the Tessungdalen valley on the west side.