JSFK is a club with over 300 fishing enthusiasts who have had their home waters in Järfälla since 1954. The club has access to fishing waters in Lake Mälaren and two lakes in the municipality. In Lake Mälaren, the club also has a boat that members can use. The club organizes excursions and competitions both near and far throughout the year. Is a non-profit association that was formed in 1954, and is located in Järfälla municipality, 25 kilometers northwest of Stockholm.