Flowpark Ahvenisto in Hämeenlinna is an ecological adventure park built in the treetops. There are more than 200 meters of zip lines, some of which are built between two ridges. Our visitors can push themselves to the limit and test their courage in a safe environment. We promise a true adventure with fantastic lake sceneries and diverse Finnish nature. The adventure park is suitable for people of all ages and the adventure tracks have different degrees of difficulty to challenge everyone!