Small nature reserve with an old untouched forest. Some pine-trees are over 300 years old and one examined spruce with completely healthy wood is approximately 260 years old.
More information (in Swedish): https://www.lansstyrelsen.se/varmland/besok-och-upptack/naturreservat-i-varmlands-lan/perserud.html
Perseruds naturreservat, 67196 Mangskog
Drive towards Gunnarskog and turn right at sign Perserud. The village of Perserud is located at the north end of lake Racken. From there you drive 3 km to the north-east along a forest road to the nature reserve.