History and today

Leineperi Ironworks, also known as Fredriksfors Ironworks, was founded in 1771 on the banks of the Katokoski rapids in the Kullaanjoki River. The mill combined water power, local charcoal production, and a reasonable distance to the seashore for ore transport.

Leineperi was one of the largest producers of pig iron in Finland. It produced and processed pig iron for a Variety of purposes. The last blast furnace operations at the Ironworks took place in 1891, and iron processing ceased altogether in 1902. In the following decades, the area was used for various purposes, including agriculture. The Ironworks was restored for museum and recreational use between 1988 and 1994.

Today, Leineperi Ironworks is one of the best preserved and most complete Ironworks complexes in Finland. The area includes one of only three surviving blast furnaces in Finland. The Ironworks numerous buildings are situated in a uniquely beautiful river landscape, intertwined with the village settlement of Leineperi and surrounded by verdant nature.