Parco Regionale della Vena del Gesso Romagnola

On the slope of Vena del Gesso facing north, in particular between Borgo Rivola and Tossignano and in the area of Campiuno, there are vast and ancient chestnut groves guaranteeing the production of top-quality marroni chestnuts, certified by the label "Marrone di Castel del Rio IGP" (Marrone Chestnut of Castel del Rio PGI). Chestnut tree growing is characteristic of the area, in particular of Santerno Valley, for over 500 years.