City of Espoo offers adventure for the whole family - visit the water park, "Serena". It is the largest in Europe, year-round warm water park with a tropical climate. Large wave pool, waterfalls, interesting slides and Jacuzzi guarantee spectacular holiday, even in winter. The water park is also a multi-purpose sports hall, equipped with modern, efficient and safe fitness machines. Built in a rock cave sauna will satisfy the most demanding bathers.