Bagno Vignoni , a village in the heart of Tuscany , only hamlet of San Quirico d’ Orcia , has 30 inhabitants . The square of the village is characterized by a sixteenth-century bath where hot springs thermal water , which emerges from the underlying layer of volcanic origin . Known and used since the time of the Etruscans , in time have hosted celebrities and artists as Pope Pius II , Catherine of Siena and Lorenzo de Medici . Following the flow of thermal water you get to the Natural Park of the Mills , where you can see four medieval mills carved in the rock .
