Møsvatn (or
Møsvann) is
twelfth largest lake in
Norway with a surface area of 78.31 km². It lies primarily in
Vinje municipality in
Telemark county. The lake lies in the watershed of the
Skien river (
Skiensvassdrag) and discharges into the
Måna river. Along the shores of the lake, many traces of stone age settlers can be found. It is 919 meters above sea level and regulated to use for
hydroelectric production. Some of Norway’s highest mountain farms can be found here as well.