Museum Masuuni Brunou is a museum about the industrial history of Juankoski, Finland . The museum is situated in the old blast furnace building right beside the rapids (now dammed and diverted to produce hydro electricity) and is in the centre of the old foundry milieu. The Juankoski Heritage Society was founded in 1990 to safeguard the cultural and historical heritage of the area. The Museum was opened by the society in 1991 and has displays relating to products of the foundry, local history and the lives of local inhabitants. The museum is open in the summer from June to August.