Since 1 January 1990, the areas of Mainarde and Upper Volturno Valley are part of Abruzzo National Park, with their surface area of 4,000 ha and the 5 Municipalities of the Province of Isernia: Pizzone, Castel S. Vincenzo, Rocchetta al Volturno, Scapoli, and Filignano.
ATTENTION! From 28th July to 2nd September 2018 a cap is imposed on the number of people allowed on the trail - info