This tour will occur within and around one of the most important georhermal area in Italy, enhancing the geological, natural and historical aspects of this area belonging to the larger Geopark of the Metalliferous Hills. This area produces about 30% of the electricity used in Tuscany from geothermal sources (clean and renewable energy), about 30% thanks to a dense network of geothermal power station. The nature trail "Le Biancane" is the flower jewel in the entire Geopark where you can experience a unique and thrilling experience walking through its vapors like in a Dante's hell circle. In this area many companies use steam for gastronomic productions, entering with full right in Comunitá del cibo ad energie rinnovabili.