This valley, Val di Cornia, is rich of  parks and hidden natural treasures. From the archeological routes of San Silvestro (Campiglia Marittima) to the Archeological parks of Baratti and Populonia. From the archeological treasures of the Piombino Museum to the natural ones in the seaside parks of Rimigliano (San Vincenzo) and Sterpaia (Piombino). Embedded in a very attractive landscape,  you can enjoy a choice of naturalistic routes which can be accessed by riding, cycling or walking.