The Etruscan necropolis of San Germano, extended on both sides of the Valley of Sovata, an important link in the territory of the ancient Etruscan city of Vetulonia, consists of tombs. In the archaeological area of Rocca di Frassinello focus the necropolis, built between the second half of the 7th century BC and the first half of the 6th century BC: 3 monumental tombs were recovered and restored by creating a guided tour for the public.