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Alvøen
Alvøen is one of the oldest industrial places in Norway. As early as the 1620s a gunpowder mill was built here. The place itself was well situated for industrial activity, lying only 100 m from the waterfall, which provided power for the mill, and a good harbour wherefrom the products were shipped. The success of the gun-powder mill varied in the 1600s and 1700s, but what made Alvøen best known was its paper production.
Sysendalen
If you are lucky you can find 9000-year-old pine stumps on Hardangervidda. Since that time, the tree line has continuously declined. But now, it is on its way back up again.