The SnowCastle of Kemi (fi|Kemin lumilinna) is the biggest snow fort in the world. It is rebuilt every winter with a different architecture in Kemi, Finland. In 1996, the first snow castle drew 300,000 visitors. For several years the snowcastle was located in the Kemi city harbor. In 2017 the location was moved into a nearby park. Its current address is Mansikkanokankatu 15.
The area covered by the castle has varied from . The highest towers have been over high and longest walls over long, and the castle has had up to three stories. Despite its varying configurations, the snow castle has a few recurring elements: a chapel, a restaurant and a hotel.
The SnowCastle of Kemi also hosts such things as an adventure land for children, a theatre and ice art exhibitions with lights and sound effects. Many opera singers and dancers have performed in the SnowCastle of Kemi.