Kalhovdfjorden is a lake belonging to the municipality Tinn

Tinn

Tinn is a municipality in Telemark county, Norway. It is part of the traditional region of Øst-Telemark. The administrative centre of the municipality is the town of Rjukan....

 in the province of Telemark

Telemark

is a county in Norway, bordering Vestfold, Buskerud, Hordaland, Rogaland and Aust-Agder. The county administration is in Skien. Until 1919 the county was known as Bratsberg amt.-Location:...

 in southern Norway.
Kalhovdfjorden belongs to the catchment

Drainage basin

A drainage basin is an extent or an area of land where surface water from rain and melting snow or ice converges to a single point, usually the exit of the basin, where the waters join another waterbody, such as a river, lake, reservoir, estuary, wetland, sea, or ocean...

 of the river Skien. The river Mår comes out of the lake. The lake is part of the Skiensvassdraget. To the north lies Geilo, to the south lie the lakes Møsvatn

Møsvatn

Møsvatn 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 and discharges into the Måna river. Along the shores of the lake, many traces of stone age settlers can be...

, Gøystavatnet and Tinnsjå

Tinnsjå

Tinnsjå is one of the largest lakes in Norway. It is located between the municipalities of Tinn and Notodden in Telemark county. At its source in the west, the Måna river flows out of Møsvatn and past Rjukan into Tinnsjå...

.
The area of the lake is 20.39 kilometers² and it is 1084 metres above sea level.