 The commune is part of the National Park of Abruzzo, Lazio and Molise.Ortona dei Marsi is situated on 1000 meters above sea level and the mountains that surround the valley reach up to 1,800 meters.Included in the territory between the towns of Rivoli and Cesoli are located the megalithic stones and the remains of the fortifications that would belong to the ancient city of Marsi, Milonia (or Milionia).