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Photo: Arnejohs at English Wikipedia, Public domain via Wikimedia Commons
Highest summit south of Hardangervidda and highest in Telemark, a distinct profile. About 1/6th of Norway can be seen on clear days. 30,000-40,000 people hike to the summit every year, taking approximately 2-3 hours from Stavsro, where you can park the car. You can also take the Gaustabanen Cable Car inside the mountain.
Gaustatoppen is a mountain in the county of Telemark, Norway. The 1,883-metre (6,178 ft) tall mountain is located on the south side of the town of Rjukan and is the highest mountain in Telemark. The summit lies in Tinn Municipality, but there is a lower plateau that crosses the municipal border into Hjartdal Municipality.
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Has a vast collection of old houses, and old things. Showing how life was in the rural parts of Tinn and in old times, before the town Rjukan was established. Open-air museum with no attendants.
Norsk Industriarbeidermuseum
Situated in the Vemork hydroelectric plant, on the very grounds of the Heavy Water Sabotage during World War II, Vemork has several exhibitions about the local history of the industrial worker as well as war exhibitions.
Rjukanbanen
The 16-km-long railway was operational between 1927 and 1991. In Mæl cargo (consisting mainly of chemicals produced in Hydro's fertilizer plant) was loaded onto ferries for transport across the lake to Tinnoset. In 1944 a steam ferry Hydro was sunk on the way from Mæl (as a part of Norwegian heavy water sabotage) with a cargo of heavy water for Nazi nuclear weapon project.