"Fjellbussen" -Skibus
Free Skibus between Rjukan and the Gausta area.
The bus runs 5 times daily, except Monday and Wednesday when the last departure from the mountain is at 16:00. The bus connects with the "Rjukanekspress" so it is possible with day trips from Oslo / Drammen / Kongsberg / Notodden.
See www.tinnbillag.no for timetables on Rjukanekspressen.