Granbergsdal Ironworks (Swedish: Granbergsdals bruk) is an ironworks and blast furnace[1] in Granbergsdal, a village in Karlskoga Municipality in Sweden, 10 km (6 mi) north of central Karlskoga.

[2] Designated as a listed building in 1986, the ironworks benefits from cultural and historical protection.

[3][1] Founded in 1642 by Mårten Eriksson, Granbergsdal Ironworks emerged in response to the increased demand for iron during the tumultuous period of the Thirty Years' War.

The 2023 renovation of the works was delayed in May because of the discovery of a previously unknown standing historical house.

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