The Castelli Romani-Alban hills are the remains of a large volcano known as Volcano Laziale. Its territory is rich in very diverse environments: fertile hills occupied by vineyards and olive groves, steep mountain areas covered with thick forests of chestnut, grassland, Lake Albano and Lake Nemi and numerous historical towns and archaeological areas of significant interest. The gastronomy of the Castelli Romani has always been popular in regional and national panorama: just think of the traditional picnics outside door leading inhabitants and visitors to Rome on the tables of fraschette castellane. Grottaferrata and Ariccia are known for culinary tourism, the first location for the many restaurants where you can eat typical cuisine Roman, the second thanks to fraschette, cultural phenomenon that characterizes the country. Frascati instead is renowned for elite cuisine, given the presence of several prestigious restaurants at regional level; However prestigious premises have spread to all the Castelli Romani.