Kellokoski is one of the three villages in the Finnish municipality of Tuusula. It is located 7 kilometres (4.3 mi) north of the town of Järvenpää. Kellokoski has a population of 4,400.
History
Kellokosken ruukki, pig iron factory started 1795. Nowadays, iron products have been replaced with products made from aluminium. ==Notable people from Kellokoski==