The Bolle di Magadino, one of nine water meadow landscapes, considered by the Swiss Academy for Natural Science, is of international importance. It includes the delta of the Ticino and Verzasca rivers at Lake Maggiore. The Bolle are home to a unique fauna and flora, found in areas between firm ground and water.

 

Thanks to the provision of nature trails it is possible to visit the Bolle without interfering with or harming its natural inhabitants too extensively. Internationally, it is the only mouth of a river in a lake which has remained in its natural state south of the Alps (and one of the few in Europe); they are rich in aquatic and terrestrial biotopes in various phases of evolution; they host over 300 species of birds; they host very rich flora and fauna. Nationally; they are a characteristic delta landscape, unique in their beauty, originality and ecological value for river and lake ecosystems; the vegetation at the Bolle coexists and interacts within a unspoilt surroundings; they present richness of form within a relatively modest territory: among them 90 species of algae; 16 of fern; 387 species of mushrooms; 250 species of birds.