Parco naturale del Sasso Simone e Simoncello () is an Italian regional park founded in 1994. Is one of the four parks established by Marche.
The landscape presents hills and low mountains. The highest summit is Mount Carpegna, 1415 meters above the sea level. Another landmark is the Sasso di Simone, a block of calcareous rock that reaches an altitude of a.s.l.
The park is across the following municipalities: Carpegna, Frontino, Montecopiolo, Pennabilli, Piandimeleto, Pietrarubbia.
Many outdoor activities are possible within the park including,