The Regional Park of the Monti Simbruini, which also includes the Monti Cantari range, was established in 1983 [REF].
The regional park and mountains include the comuni (villages) of: Camerata Nuova, Cervara di Roma (Campaegli), Filettino, Jenne, Subiaco (Monte Livata), Trevi nel Lazio, and Vallepietra.