| Kalhovdfjorden | |
| Image Bathymetry: | Mosvatn.PNG |
| Caption Bathymetry: | Location of Kalhovdfjorden in the Skiensvassdraget area |
| Pushpin Map: | Telemark#Norway |
| Pushpin Label Position: | bottom |
| Pushpin Map Caption: | Location of the lake |
| Coordinates: | 60.0681°N 8.3129°W |
| Location: | Tinn Municipality, Telemark |
| Outflow: | Mår |
| Catchment: | Skien watershed |
| Basin Countries: | Norway |
| Area: | 20.39km2 |
| Reference: | NVE[1] |
Kalhovdfjorden is a lake in Tinn Municipality in Telemark county, Norway. The lake lies about to the north of the town of Rjukan and about east of the Hardangervidda National Park. The lake is part of the Skien watershed. The river Mår is the main outflow of the lake. The lake Møsvatn lies to the southwest and the lake Tinnsjå lies to the southeast. The area of the lake is 20.39km2 and it is located 1084m (3,556feet) above sea level.[2]