This dive site, Järppilä quarry, is a disused granite quarry located in Finland, now filled with water and serving as a popular local diving destination. Access is managed by local diving clubs and organizations who hold keys to a locked boom, ensuring controlled entry and a peaceful diving environment. Underwater, divers can navigate the unique topography left by the quarrying process, exploring the submerged rock structures and the serene freshwater surroundings.
The quarry's freshwater ecosystem offers sightings of a few perch swimming among the submerged features. The site is also notable for its abundant filamentous growth, which covers various surfaces and provides a distinctive visual element to the dive, along with potential microhabitats for small creatures.
With its relatively clear and calm waters, Järppilä quarry is ideal for recreational diving, training, and equipment testing. It is suitable for all levels of divers due to its shallow maximum depth. Freedivers and snorkelers will also find the site enjoyable, particularly during Finland's warmer months, to experience the calm conditions and unique underwater landscape.

