Rio Vallone Park is a local park (a local park of the Supra Department - PLIS) that includes the municipalities of Basiano, Bellusco, Cavenago di Brianza, Gessate, Masate, Ornago and most recently only Aicurzio, Busnago, Cambiago, Mezzago, Sulbiate and Verderio less. The park now includes the territory of two provinces, Milan and Lecco, on a total area of 1,181 hectares along the Fallon stream, forming a green lung in a very urban area. In the south it is next to the South Milan Agricultural Park, in the south it is the North Ada Park, and in the north is the South Park Montevecchia and Valle del Curone.