Riihimäki is a town in Finland. It locates 70 km from Helsinki to north. As of 31 August 2013, almost 30,000 people lived there. Nearby municipalities include Janakkala, Hausjärvi, Hyvinkää, and Loppi.
Riihimäki's population center grew around railwaystation. Riihimäki railway station is one of the 1862 opened Helsinki-Hämeenlinna railways stations. Story tolds that this not dense populated area was simply named by the kiln what was upon a hill.