Monticiano offers to the lovers of the uncontaminated nature, rich in flora and fauna, diversified, with rivers and paths, geological areas, architectonic monuments and treasures of art to discover, outside from the usual tourist routes. Monticiano is a village to visit in order to admire the landscapes of the Val di Merse, and also its monuments, among which the church of Sant'Agostino, with the capitular hall of the former convent, decorated with frescoes; the church, in Gothic style, is one of the most ancient of the Augustinian order. Noteworthy is also the castle of San Lorenzo a Merse, constructed between the tenth and the eleventh century, on the summit of the hill.
And then, you can live well-being and relaxing moments at the baths Bagni di Petriolo, known since medieval age, for the curative property of their sulphureous waters. They are still today destination of numerous tourists who make thermal treatments or bath in the waters that get out in the free pools.