Leppäkoski (; ) is a village in Janakkala, Finland. In 2023, there were about 300 inhabitants.

The village has two schools: Leppäkoski School and Haukankallio Special School. The nearest grocery store located in Hausjärvi's Ryttylä is away, while Leppäkoski's own services are limited to a summer kiosk owned by the sports club Woima.

The Puujoki River flows through the village, with its rapids located near the . Leppäkoski is also located along the Finnish Main Line, which was completed in 1862, but trains have not stopped at the station since 1981.

See also Ida Aalberg – Finnish actress born in Leppäkoski Tervakoski – another village in Janakkala

References

External links Leppäkoski at Janakkala.fi (in English)